Missy + Altar of Dementia + Horde Ambusher

Prerequisites

• You have at least one red card in hand.

Steps

1. 1Activate Altar of Dementia by sacrificing Horde Ambusher.
2. 2When Horde Ambusher dies, Missy's first ability triggers, returning Horde Ambusher from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature.
3. 3Resolve the Altar of Dementia ability, causing target player to mill cards equal to Horde Ambusher's power.
4. 4Activate Horde Ambusher's morph ability by revealing a red card from your hand, turning it face up.
5. 5Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite mill
• Infinite self-mill