Plaguemaw Beast + Intruder Alarm + Herd Baloth

Prerequisites

• Plaguemaw Beast does not have summoning sickness.
• Herd Baloth has at least one +1/+1 counter on it.
• You control at least one additional creature.

Steps

1. 1Activate Plaguemaw Beast by tapping it and sacrificing another creature, putting a +1/+1 counter on Herd Baloth.
2. 2Herd Baloth triggers, creating a 4/4 Beast creature token.
3. 3When the Beast enters the battlefield, Intruder Alarm triggers, untapping all creatures.
4. 4Repeat.

Effects

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite proliferate