Scaretiller + Bloodghast + Intruder Alarm + Claws of Gix + Citanul Hierophants

Prerequisites

• Scaretiller does not have summoning sickness.
• You control at least one creature except Bloodghast and Scaretiller that does not have summoning sickness.
• You control at least one land.

Steps

1. 1Activate any creature you control except Bloodghast or Scaretiller by tapping it, adding .
2. 2Activate Claws of Gix twice by paying and sacrificing Bloodghast and a land, causing you to gain two life.
3. 3Activate Scaretiller by tapping it, adding .
4. 4Scaretiller triggers, returning a land to the battlefield from your graveyard tapped.
5. 5When the land enters the battlefield, Bloodghast triggers, returning itself to the battlefield from your graveyard.
6. 6When Bloodghast enters the battlefield, Intruder Alarm triggers, untapping all creatures.
7. 7Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite landfall triggers
• Infinite lifegain
• Infinite lifegain triggers
• Infinite mana creatures you control can produce
• Infinite untap of creatures