Plague of Vermin, Umbral Collar Zealot, and Cauldron of Essence

Prerequisites

• Plague of Vermin in hand
• Umbral Collar Zealot on the battlefield
• Cauldron of Essence on the battlefield
• available

Steps

1. Cast Plague of Vermin by paying and choosing to pay any amount of life, creating that many 1/1 Rat creature tokens
2. Activate Umbral Collar Zealot by sacrificing a Rat
3. When the Rat dies, Cauldron of Essence triggers, causing each opponent to lose 1 life and you to gain 1 life
4. Resolve the Umbral Collar Zealot ability
5. Repeat from step 2 as able

Results

• Near-infinite ETB
• Near-infinite LTB
• Near-infinite creature tokens for all players
• Near-infinite death triggers
• Near-infinite lifeloss
• Near-infinite sacrifice triggers
• Near-infinite surveil