Fell Beast's Shriek 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
Each opponent chooses a creature they control. Tap and goad the chosen creatures. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.) Splice onto instant or sorcery(As you cast an instant or sorcery spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
Complete guide
Fell Beast's Shriek is a versatile Izzet sorcery that forces your opponents to turn their own weapons against each other. Through the Splice mechanic, you can imbue your other spells with this terrifying cry without ever losing the card from your hand.
Tapping and Goading
When Fell Beast's Shriek resolves, each opponent must choose exactly one creature they control. The spell then taps those creatures and applies the goaded status to them. A goaded creature is forced to attack each combat if able, and it must attack a player other than you if possible. This effect lasts until your next turn, ensuring a full round of chaos among your rivals.
The Art of Splicing
The Splice onto instant or sorcery ability allows you to add the effect of Fell Beast's Shriek to another spell as you cast it. To do this, reveal Fell Beast's Shriek from your hand and pay {2}{U}{R} in addition to the other spell's costs. The Shriek stays in your hand, but the spell on the stack now gains the text 'Each opponent chooses a creature they control. Tap and goad the chosen creatures.' These added effects always happen last, after the original spell's effects have finished.
Legal Requirements and Targets
It is important to note that Fell Beast's Shriek does not target creatures; the opponents choose which creature is affected. However, if you splice it onto a targeted spell like Vandalblast, the entire spell—including the spliced effect—will fail to resolve if the original targets become illegal. Additionally, a goaded creature that is tapped when the declare attackers step begins cannot attack, but since Fell Beast's Shriek only taps the creature upon resolution, the creature will likely untap during its controller's next untap step before it is forced to attack.
Interaction examples
You cast Faithless Looting and reveal Fell Beast's Shriek from your hand, paying a total of {2}{U}{R}{R}. First, you draw two cards and discard two cards. Immediately after, each opponent must choose a creature to tap and goad. Fell Beast's Shriek remains in your hand, ready to be spliced again or cast normally later.
You cast Vandalblast targeting an opponent's Sol Ring and splice Fell Beast's Shriek onto it for {2}{U}{R}. The Sol Ring is destroyed first. Then, each opponent chooses a creature to tap and goad. If the opponent uses an ability to sacrifice their Sol Ring in response, Vandalblast is removed from the stack for having no legal targets, and the goad effect never happens.
You cast Fell Beast's Shriek for {U}{R} during your main phase. Your opponent controls a tapped creature and an untapped creature. They choose the untapped one. Both creatures remain or become tapped, and the chosen creature is goaded. On your opponent's next turn, that creature untaps and must attack your other opponents if able.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Fell Beast's Shriek
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
If, during a player's declare attackers step, a creature that player controls that's been goaded is tapped, is affected by a spell or ability that says it can't attack, or hasn't been under that player's control continuously since the turn began (and doesn't have haste), then it doesn't attack. If there's a cost associated with having a creature attack a player, its controller isn't forced to pay that cost, so it doesn't have to attack that player.
No other card is named in this ruling.
- #2· Wizards of the Coast
If the creature doesn't meet any of the above exceptions and can attack, it must attack a player other than the controller of the spell or ability that goaded it if able. If the creature can't attack any of those players but could otherwise attack, it must attack a planeswalker an opponent controls, a battle an opponent protects, or a player who goaded it.
No other card is named in this ruling.
- #3· Wizards of the Coast
Being goaded isn't an ability the creature has. Once it's been goaded, it must attack as detailed above even if it loses all abilities.
No other card is named in this ruling.
- #4· Wizards of the Coast
Attacking with a goaded creature doesn't cause it to stop being goaded. If there is an additional combat phase that turn, or if another player gains control of it before it stops being goaded, it must attack again if able.
No other card is named in this ruling.
- #5· Wizards of the Coast
If a creature you control has been goaded by multiple opponents, it must attack one of your opponents that hasn't goaded it, as that fulfills the maximum number of goad requirements. If a creature you control has been goaded by each of your opponents, the creature must attack an opponent (rather than a planeswalker or battle), but you choose which opponent it attacks.
No other card is named in this ruling.
- #6· Wizards of the Coast
The abilities spliced onto the spell happen last, after all of that spell's other effects.
No other card is named in this ruling.
- #7· Wizards of the Coast
You reveal all cards you intend to splice at the same time. Each individual card can be spliced only once onto any spell, although multiple cards with the same name may be spliced onto one spell.
No other card is named in this ruling.
- #8· Wizards of the Coast
If a spell is copied, choices made while casting it are copied, so the copy will have the same abilities spliced onto it as the original.
No other card is named in this ruling.
- #9· Wizards of the Coast
Any cards you splice onto a spell remain in your hand, regardless of what happens to the spell after you cast it.
No other card is named in this ruling.
- #10· Wizards of the Coast
If all of the spell's targets are illegal when the spell tries to resolve, it won't resolve and none of its effects will happen, including those from cards spliced onto it.
No other card is named in this ruling.
Legal formats
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Meta decks with Fell Beast's Shriek
No archived Top 8 deck with this card yet.



Faithless Looting
Vandalblast