Ulalek, Fused Atrocity is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.
Official card text
Devoid (This card has no color.) Whenever you cast an Eldrazi spell, you may pay. If you do, copy all spells you control, then copy all other activated and triggered abilities you control. You may choose new targets for the copies. (Mana abilities can't be copied.)
Complete guide
Ulalek, Fused Atrocity is a terrifying commander that embodies the reality-warping power of the Eldrazi. By manipulating the stack itself, this creature allows you to duplicate every spell and ability you control, turning a single cast into an overwhelming wave of destruction. Understanding how to sequence your triggers is the key to mastering this colorless titan.
The Power of the Stack
Ulalek features a triggered ability that triggers whenever you cast an Eldrazi spell. While the spell you just cast is still on the stack, you have the option to pay two colorless mana ({C}{C}). If you do, Ulalek creates a copy of every other spell you currently control on the stack, as well as all other activated and triggered abilities you have waiting to resolve. This includes 'When you cast' triggers from other Eldrazi or even the enter-the-battlefield abilities of creatures already in play.
Resolution Step-by-Step
First, you cast an Eldrazi spell and pay its costs. This puts the spell on the stack and triggers Ulalek. Second, any other 'When you cast' triggers from your permanents go on the stack. Third, Ulalek's trigger resolves; you choose whether to pay {C}{C}. If you pay, you immediately copy everything else you control on the stack. You can choose new targets for these copies. Finally, the stack resolves from top to bottom, meaning the copies will resolve before the original spells and abilities.
Common Mistakes to Avoid
Remember that Ulalek must be on the battlefield for its ability to function. Casting Ulalek itself will not trigger its own ability because it is not yet a permanent. Additionally, the copies created by Ulalek are placed directly on the stack; they are not 'cast.' This means a copy of an Eldrazi spell will not trigger Ulalek a second time, preventing an infinite loop from a single payment. Lastly, mana abilities (like tapping a land) cannot be copied.
Strategic Timing
To maximize Ulalek, you want as many things on the stack as possible before paying the {C}{C}. This often means casting an Eldrazi spell while you have other triggered abilities pending. Since permanent spells that are copied become tokens as they enter the battlefield, Ulalek acts as a powerful multiplier for your board state, effectively doubling your army and your utility effects simultaneously.
Interaction examples
With Ulalek on the battlefield, you cast Roaming Throne (choosing Eldrazi as it enters). Because Roaming Throne is an Eldrazi, Ulalek triggers. If you pay {C}{C}, you copy the Roaming Throne spell. The copy resolves first, entering as a token. Now, when you cast your next Eldrazi spell, the token Roaming Throne causes Ulalek to trigger twice, allowing you to potentially double your entire stack multiple times.
If you have a triggered ability on the stack, such as Solemn Simulacrum's 'enters the battlefield' ability, and you cast an Eldrazi spell in response, Ulalek's trigger can copy that land-searching ability. By paying {C}{C}, you will copy both the Eldrazi spell and the search trigger, resulting in two new creatures and two basic lands for your effort.
When using Ulalek's ability to copy a legendary Eldrazi spell you control, the copy will resolve and enter the battlefield as a token. Then, the original spell will resolve. Because of the 'legend rule,' you will have to choose one to keep and put the other into your graveyard. However, you still benefit from any 'enters the battlefield' or 'cast' triggers that were copied.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Ulalek, Fused Atrocity
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
Other cards and abilities can give a card with devoid a color. If that happens, it's just the new color, not that color and colorless.
No other card is named in this ruling.
- #2· Wizards of the Coast
Devoid works in all zones, not just on the battlefield.
No other card is named in this ruling.
- #3· Wizards of the Coast
If a card loses devoid, it will still be colorless. This is because effects that change an object's color (like the one created by devoid) are considered before the object loses devoid.
No other card is named in this ruling.
- #4· Wizards of the Coast
Ulalek must be on the battlefield in order for its triggered ability to trigger. Casting Ulalek itself won't cause that ability to trigger.
No other card is named in this ruling.
- #5· Wizards of the Coast
Each copy will have the same targets as the spell or ability it's copying unless you choose new ones. You may change any number of the targets, including all of them or none of them. If the spell is a permanent spell with targets, such as an Aura, you may also choose a new target for that spell. The new targets must be legal. If, for any target, you can't choose a new legal target, then it remains unchanged (even if the current target is illegal).
Card named in this ruling
- #6· Wizards of the Coast
The copies are created on the stack, so they're not "cast" or "activated." Creating the copies won't cause abilities that trigger when a player casts a spell or activates an ability to trigger. Abilities of copied spells that say "When you cast [this spell]" won't trigger.
No other card is named in this ruling.
- #7· Wizards of the Coast
If the spell or ability that's copied is modal (that is, it says "Choose one —" or the like), the copy will have the same mode or modes. You can't choose different ones.
Card named in this ruling
- #8· Wizards of the Coast
If the spell or ability that's copied has an X whose value was determined as it was cast or activated, the copy will have the same value of X.
Card named in this ruling
- #9· Wizards of the Coast
If the spell or ability that's copied has damage divided as it was cast or activated, the division can't be changed (although the targets receiving that damage still can). The same is true of spells and abilities that distribute counters.
No other card is named in this ruling.
- #10· Wizards of the Coast
The controller of a copy can't choose to pay any alternative or additional costs for the copy. However, effects based on any alternative or additional costs that were paid for the original spell are copied as though those same costs were paid for the copy.
Card named in this ruling
- #11· Wizards of the Coast
Resolving copies of permanent spells become tokens as they enter the battlefield. These tokens are not considered "created" when this happens.
No other card is named in this ruling.
- #12· Wizards of the Coast
A card with devoid is just colorless. It's not colorless and the colors of mana in its mana cost.
No other card is named in this ruling.
- #13· Wizards of the Coast
Devoid doesn't affect the color identity of the card for the purposes of the Commander variant. For example, while Abstruse Appropriation is colorless because it has devoid, its color identity is still white and black, and it can't be included in a Commander deck where the commander's color identity doesn't include both white and black.
No other card is named in this ruling.
Popular combos
Real combos played by the community, sorted by popularity.
Ulalek, Fused Atrocity + Glaring Fleshraker + Echoes of Eternity
- 1Cast any colorless Eldrazi spell by paying its mana cost, triggering Ulalek twice, Echoes of Eternity twice and Glaring Fleshraker's first ability twice.
- 2Resolve a Ulalek trigger, causing you to pay
to copy the colorless spell, the remaining Ulalek trigger, both Echoes of Eternity triggers and both Glaring Fleshraker triggers.
- 3Resolve the first Glaring Fleshraker trigger, creating a 0/1 Eldrazi Spawn creature token.
- 4When the Eldrazi Spawn enters the battlefield, Glaring Fleshraker's second ability triggers, dealing 1 damage to each opponent.
- 5Activate the Eldrazi Spawn by sacrificing it, adding
.
- 6Repeat from step 3 one additional time.
- 7Repeat from step 2.
Ulalek, Fused Atrocity + Echoes of Eternity + Kozilek's Unsealing
- 1Cast an Eldrazi with mana value 4, 5 or 6 from your hand by paying its mana cost.
- 2Ulalek and Kozilek's Unsealing's first ability trigger twice, the Eldrazi cast triggers twice if it has a cast ability, Echoes of Eternity triggers once if the Eldrazi cast was colorless.
- 3Resolve the first Ulalek's trigger, causing you to pay
to copy the Eldrazi spell, the additional Ulalek's trigger, both Kozilek's Unsealing triggers, both Eldrazi cast triggers if it had one, and the Echoes of Eternity trigger if it triggered.
- 4Resolve both Eldrazi cast triggers, if applicable.
- 5Resolve both Kozilek's Unsealing triggers, creating four 0/1 Eldrazi Spawn creature tokens.
- 6Holding priority, activate two Eldrazi Spawns by sacrificing them, adding
.
- 7Resolve the copy of Ulalek's trigger from step 3, causing you to pay
to copy the Eldrazi spell, the additional Ulalek's trigger, both Kozilek's Unsealing triggers and any other abilities on the stack.
- 8Repeat from step 4.
Ulalek, Fused Atrocity + Echoes of Eternity + Writhing Chrysalis
- 1Cast Writhing Chrysalis by paying
.
- 2Ulalek and Writhing Chrysalis' first ability triggers twice, and Echoes of Eternity triggers once.
- 3Resolve one of Writhing Chrysalis' triggers, creating two 0/1 Eldrazi Spawn creature tokens.
- 4Resolve the Echoes of Eternity trigger, copying the Writhing Chrysalis spell.
- 5Resolve the copy of the Writhing Chrysalis spell, creating a token copy of it.
- 6Activate both Eldrazi Spawn creature tokens by sacrificing it, adding
.
- 7Writhing Chrysalis triggers twice for each Eldrazi sacrificed, putting a total of four +1/+1 counters on itself.
- 8Resolve one of Ulalek's triggers, causing you to pay
to copy the Writhing Chrysalis spell, Ulalek's trigger and Writhing Chrysalis' trigger.
Ulalek, Fused Atrocity + Writhing Chrysalis + Eldritch Immunity
- 1Cast Writhing Chrysalis by paying
. Ulalek and Writhing Chrysalis' first ability trigger.
- 2Holding priority, cast Eldritch Immunity by paying
.
- 3Ulalek triggers, causing you to pay
to copy the Writhing Chrysalis spell, Ulalek's trigger and Writhing Chrysalis' trigger.
- 4Resolve the copy of Writhing Chrysalis' trigger, creating two 0/1 Eldrazi Spawn creature tokens.
- 5Activate both Eldrazi Spawn creature tokens by sacrificing it, adding
.
- 6Resolve the copy of Ulalek's trigger from step 4, causing you to pay
to copy the Writhing Chrysalis spell, Ulalek's trigger and Writhing Chrysalis' trigger.
- 7Repeat from step 4.
Ulalek, Fused Atrocity + Glaring Fleshraker + Roaming Throne
- 1Cast any colorless Eldrazi spell by paying its mana cost, triggering Ulalek twice and Glaring Fleshraker's first ability twice.
- 2Resolve a Ulalek trigger, causing you to pay
to copy the colorless spell, the remaining Ulalek trigger and both Glaring Fleshraker triggers.
- 3Resolve the first Glaring Fleshraker trigger, creating a 0/1 Eldrazi Spawn creature token.
- 4When the Eldrazi Spawn enters the battlefield, Glaring Fleshraker's second ability triggers, dealing 1 damage to each opponent.
- 5Activate the Eldrazi Spawn by sacrificing it, adding
.
- 6Repeat from step 3 one additional time.
- 7Repeat from step 2.
Ulalek, Fused Atrocity + Echoes of Eternity + Spawn-Gang Commander
- 1Cast Spawn-Gang Commander by paying
.
- 2Ulalek and Spawn-Gang Commander trigger twice, and Echoes of Eternity triggers once.
- 3Resolve the Echoes of Eternity trigger, copying the Spawn-Gang Commander spell.
- 4Resolve the copy of the Spawn-Gang Commander spell.
- 5Resolve one of the Spawn-Gang Commander triggers from step 2, creating three 0/1 Eldrazi Spawn creature tokens.
- 6Activate two Eldrazi Spawn creature tokens by sacrificing them, adding
.
- 7Resolve the copy of Ulalek's trigger, causing you to pay
to copy the Spawn-Gang Commander spell, Ulalek's trigger and Spawn-Gang Commander's trigger.
- 8Repeat from step 4.
Ulalek, Fused Atrocity + Drowner of Truth // Drowned Jungle + Skittering Cicada
- 1Cast any other Eldrazi except Drowner of Truth by paying its mana cost, triggering Ulalek.
- 2Holding priority, cast Drowner of Truth by paying
.
- 3Drowner of Truth and Ulalek trigger.
- 4Resolve the Ulalek trigger, causing you to pay
to copy all spells you control and then copy all activated and triggered abilities you control, ensuring to put Drowner of Truth's trigger on top of Ulalek's trigger.
- 5Resolve the copy of Drowner of Truth's trigger, creating two 0/1 Eldrazi Spawn creature tokens.
- 6Activate the Eldrazi Spawns by sacrificing them, adding
.
- 7Resolve the copy of Ulalek's trigger, causing you to pay
to copy all spells you control and then copy all activated and triggered abilities you control, ensuring to put Drowner of Truth's trigger on top of Ulalek's trigger.
- 8Repeat from step 5.
Ulalek, Fused Atrocity + Strionic Resonator + Kozilek's Unsealing
- 1Cast an Eldrazi from your hand by paying its mana cost.
- 2Ulalek triggers, the Eldrazi cast triggers if it has a cast ability, and Kozilek's Unsealing's first ability triggers.
- 3Holding priority, activate Strionic Resonator by paying
and tapping it, copying Ulalek's trigger.
- 4Resolve the copy of Ulalek's trigger, causing you to pay
to copy the Eldrazi spell, Ulalek's trigger, the Eldrazi cast trigger if it had one, and the Kozilek's Unsealing trigger.
- 5Resolve the Eldrazi cast trigger, if applicable.
- 6Resolve the copy of the Kozilek's Unsealing trigger, creating two 0/1 Eldrazi Spawn creature tokens.
- 7Activate both Eldrazi Spawn creature tokens by sacrificing it, adding
.
- 8Resolve the copy of Ulalek's trigger from step 4, causing you to pay
to copy the Eldrazi spell, Ulalek's trigger, the Eldrazi cast trigger if it had one, and the Kozilek's Unsealing trigger.
Related cards and tokens
Legal formats
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