Miirym, Sentinel Wyrm 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
Flying, wardWhenever another nontoken Dragon you control enters, create a token that's a copy of it, except the token isn't legendary.
Complete guide
Miirym, Sentinel Wyrm is a powerhouse Commander that turns every Dragon you play into a double threat. By stripping the legendary tag from its copies, it allows you to bypass the legend rule and overwhelm your opponents with a massive air force.
What It Does
Miirym has Flying and Ward {2}, making it difficult for opponents to remove efficiently. Its main ability triggers whenever another nontoken Dragon enters the battlefield under your control; when this happens, you create a token that is an exact copy of that Dragon, with the critical exception that the token is not legendary.
Step-by-Step Resolution
First, a nontoken Dragon creature enters the battlefield. This causes Miirym's triggered ability to go on the stack. When the ability resolves, it checks the printed values of the Dragon that entered. It ignores any counters or temporary power and toughness changes. Finally, it puts a token onto the battlefield that has all those characteristics but lacks the 'Legendary' supertype.
Common Mistakes
Players often forget that the copy effect only applies to nontoken Dragons; you cannot create an infinite loop of tokens with two Miiryms alone. Additionally, if the Dragon that entered was already a copy of something else, Miirym creates a token of whatever that creature was copying, not the original card's printed face.
When to Play It
You should aim to cast Miirym when you have enough mana to protect it or when you are ready to follow up immediately with high-impact Dragons. Because the ward cost is only {2}, your opponents can still target it, so timing its entry to coincide with your most powerful Dragon spells ensures you get value before it leaves.
Interaction examples
Miirym, Sentinel WyrmWhen you have Miirym, Sentinel Wyrm on the battlefield and cast another Dragon, Miirym sees it enter. You create a copy of that Dragon. If you somehow create a nontoken copy of Miirym itself, the new Miirym will see the original and trigger, but the legend rule would normally apply unless the copy effect specifies otherwise.
Hullbreaker HorrorIf you cast Hullbreaker Horror while Miirym is on the battlefield, nothing special happens regarding Miirym's ability. Hullbreaker Horror is a Kraken Horror, not a Dragon. Miirym only triggers for creatures with the Dragon type, so you will not receive a token copy of the Horror.
Etali, Primal StormEven though Etali, Primal Storm is a massive, high-impact creature, it is an Elder Dinosaur. Because it lacks the Dragon creature type, Miirym, Sentinel Wyrm will not trigger when Etali enters the battlefield, and you will not create a token copy.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Miirym, Sentinel Wyrm
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
Miirym, Sentinel Wyrm's triggered ability copies the printed values of the Dragon that entered the battlefield. It won't copy any counters on that creature or any effects that have changed its power, toughness, types, color, and so on.
Card named in this ruling
- #2· Wizards of the Coast
If the Dragon that entered the battlefield is copying something else as the triggered ability resolves, the token will be a copy of whatever that creature is a copy of.
Card named in this ruling
Popular combos
Real combos played by the community, sorted by popularity.
Miirym, Sentinel Wyrm + Bladewing the Risen + Terror of the Peaks
- 1Cast Bladewing by paying
. - 2When Bladewing enters the battlefield, it, Terror of the Peaks and Miirym trigger.
- 3Resolve the Bladewing trigger, returning any Dragon from your graveyard to the battlefield.
- 4Resolve the Terror of the Peaks, dealing 4 damage to Bladewing.
- 5Bladewing dies as a state-based action due to having 0 toughness.
- 6Resolve the Miirym trigger, creating a nonlegendary token copy of Bladewing.
- 7When the Bladewing token enters the battlefield, it and Terror of the Peaks trigger.
- 8Resolve the Terror of the Peaks trigger, dealing damage to any target.
Miirym, Sentinel Wyrm + Dracogenesis + Marang River Regent // Coil and Catch
- 1Cast Marang River Regent by paying
due to Dracogenesis. - 2When Marang River Regent enters the battlefield, it and Miirym trigger.
- 3Resolve the Marang River Regent trigger, returning up to two other nonland permanents to their owners' hands.
- 4Resolve the Miirym trigger, creating a token copy of Marang River Regent.
- 5When the Marang River Regent token enters the battlefield, it triggers, returning the nontoken Marang River Regent and up to one other nonland permanent to their owners' hands.
- 6Repeat.
Miirym, Sentinel Wyrm + Astral Dragon + Parallel Lives
- 1Cast Astral Dragon by paying
. - 2Astral Dragon enters the battlefield, triggering itself and Miirym.
- 3Resolve the Astral Dragon trigger, creating four token copies of Parallel Lives that are 3/3 Dragons in addition to their other types.
- 4Resolve the Miirym trigger, creating a total of 32 Astral Dragon tokens.
- 5The Astral Dragon tokens enter the battlefield, creating an extremely large number of Parallel Lives tokens that are 3/3 Dragons in addition to their other types.
Miirym, Sentinel Wyrm + Astral Dragon + Doubling Season
- 1Cast Astral Dragon by paying .
- 2Astral Dragon enters the battlefield, triggering itself and Miirym.
- 3Resolve the Astral Dragon trigger, creating four token copies of Doubling Season that are 3/3 Dragons in addition to their other types.
- 4Resolve the Miirym trigger, creating a total of 32 Astral Dragon tokens.
- 5The Astral Dragon tokens enter the battlefield, creating an extremely large number of Doubling Season tokens that are 3/3 Dragons in addition to their other types.
Miirym, Sentinel Wyrm + Worldgorger Dragon
- 1Cast Worldgorger Dragon by paying .
- 2Worldgorger Dragon enters the battlefield, triggering its first ability and Miirym.
- 3Holding priority, you may activate all mana-producing permanents you control by tapping them, adding at least
. - 4Resolve the Miirym trigger, creating a token copy of Worldgorger Dragon.
- 5The Worldgorger Dragon token enters the battlefield, exiling all other permanents you control.
- 6The nontoken Worldgorger Dragon's second ability triggers, returning nothing to the battlefield.
- 7Resolve the nontoken Worldgorger Dragon's first ability from step 2, exiling all other permanents you control.
- 8The token Worldgorger Dragon leaves the battlefield, returning all cards exiled with it to the battlefield from exile.
Miirym, Sentinel Wyrm + Reflections of Littjara + Ganax, Astral Hunter + Parallel Lives
- 1Cast Miirym either from your hand or from the command zone by paying
plus commander tax, if applicable. - 2Reflections of Littjara triggers, copying the Miirym spell, creating two token copies of Miirym.
- 3Put all but one legendary Miirym into your graveyard due to the legend rule.
- 4When the Miirym tokens enter, Ganax triggers twice, creating four Treasure tokens.
- 5Resolve the original Miirym spell. Choose to put the nontoken Miirym into your graveyard due to the legend rule.
- 6Each Miirym you control and Ganax trigger,
- 7Resolve the Ganax trigger, creating two Treasure tokens.
- 8Resolve a Miirym trigger, creating two token copies of Miirym that aren't legendary.
Miirym, Sentinel Wyrm + Ganax, Astral Hunter + Deadeye Navigator
- 1Activate Ganax by paying , blinking itself.
- 2Ganax enters the battlefield, triggering itself, any other Ganax that is on the battlefield, Miirym and Deadeye Navigator's soulbond ability.
- 3Resolve all Ganax triggers, creating that many Treasure tokens.
- 4Resolve the Deadeye Navigator trigger, repairing it and Ganax.
- 5Resolve the Miirym trigger, creating a nonlegendary token copy of Ganax.
- 6The Ganax token enters the battlefield, triggering itself, any other Ganax that is on the battlefield and Deadeye Navigator's soulbond ability.
- 7Resolve all Ganax triggers, creating that many Treasure tokens.
- 8Resolve the Deadeye Navigator trigger, choosing not to pair.
Miirym, Sentinel Wyrm + Reflections of Littjara + Ganax, Astral Hunter + Adrix and Nev, Twincasters
- 1Cast Miirym either from your hand or from the command zone by paying plus commander tax, if applicable.
- 2Reflections of Littjara triggers, copying the Miirym spell, creating two token copies of Miirym.
- 3Put all but one legendary Miirym into your graveyard due to the legend rule.
- 4When the Miirym tokens enter, Ganax triggers twice, creating four Treasure tokens.
- 5Resolve the original Miirym spell. Choose to put the nontoken Miirym into your graveyard due to the legend rule.
- 6Each Miirym you control and Ganax trigger,
- 7Resolve the Ganax trigger, creating two Treasure tokens.
- 8Resolve a Miirym trigger, creating two token copies of Miirym that aren't legendary.
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