Adarkar Valkyrie + Intruder Alarm + Mirrorhall Mimic // Ghastly Mimicry Combo

Mirrorhall Mimic // Ghastly Mimicry in hand.

Adarkar Valkyrie and Intruder Alarm on the battlefield.

Adarkar Valkyrie does not have summoning sickness. You control at least one legendary creature.

available

Activate Adarkar Valkyrie by tapping it, targeting any legendary creature you control.

Cast Mirrorhall Mimic by paying , choosing to have it enter the battlefield as a copy of the legendary creature targeted in step 1.

Put the legendary creature into your graveyard due to the legend rule.

Adarkar Valkyrie and Intruder Alarm trigger.

Resolve the Intruder Alarm trigger, untapping all creatures.

Holding priority, activate Adarkar Valkyrie by tapping it, targeting Mirrorhall Mimic.

Resolve the Adarkar Valkyrie trigger from step 4, returning the legendary creature to the battlefield from your graveyard.

Put Mirrorhall Mimic into your graveyard due to the legend rule.

Adarkar Valkyrie and Intruder Alarm trigger.

Resolve the Intruder Alarm trigger, untapping all creatures.

Holding priority, activate Adarkar Valkyrie by tapping it, targeting the legendary creature.

Resolve the Adarkar Valkyrie trigger from step 9, returning Mirrorhall Mimic to the battlefield from your graveyard as a copy of the legendary creature.

Repeat from step 3.

Infinite death triggers

Infinite creature ETB

Infinite creature LTB

Infinite mana creatures you control can produce

Infinite untap of creatures