Pulsemage Advocate + Altar of Dementia + Intruder Alarm

Prerequisites

• Thornbite Staff attached to Pulsemage Advocate.
• Pulsemage Advocate does not have summoning sickness.
• You control a nontoken creature with power three or greater.

Steps

1. 1Activate Altar of Dementia by sacrificing a creature with power three or greater, causing target opponent to mill cards equal to the sacrificed creature's power.
2. 2Activate Pulsemage Advocate by tapping it and putting three cards from an opponent's graveyard into their owner's hand, returning the creature from your graveyard to the battlefield.
3. 3The creature enters the battlefield, triggering Intruder Alarm, untapping all creatures.
4. 4Repeat.

Effects

• Infinite card draw for opponents
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite mana creatures you control can produce
• Infinite untap of creatures