Soul Collector + Intruder Alarm + Viridian Longbow

Prerequisites

• Viridian Longbow attached to Soul Collector.
• Soul Collector does not have summoning sickness.
• A player controls a nontoken creature with toughness equal to one.

Steps

1. 1Activate Soul Collector by tapping it, dealing 1 damage to any nontoken creature with toughness equal to one.
2. 2The creature dies as a state-based action due to having zero toughness, triggering Soul Collector, returning the creature from a graveyard onto the battlefield under your control.
3. 3The creature enters the battlefield, triggering Intruder Alarm, untapping all creatures.
4. 4Repeat.

Effects

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