Roving Actuator + Displacer Kitten + Pull from Eternity + Swarm Intelligence

Prerequisites

• A nonland permanent left the battlefield this turn, or a spell was warped this turn.

Steps

1. 1Cast Roving Actuator by paying .
2. 2When Roving Actuator enters the battlefield, it triggers, exiling Pull from Eternity from your graveyard, and then copying it and casting the copy without paying its mana cost, targeting any card you own in exile.
3. 3Displacer Kitten and Swarm Intelligence trigger, with Displacer Kitten targeting Roving Actuator.
4. 4Resolve the Swarm Intelligence trigger, copying the Pull from Eternity spell, targeting the original Pull from Eternity.
5. 5Resolve the copy of the Pull from Eternity Spell from step 4, putting Pull from Eternity from exile into your graveyard.
6. 6Resolve the Displacer Kitten trigger, blinking Roving Actuator.
7. 7Repeat from step 2.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite magecraft triggers
• Infinite storm count