Mikaeus, the Unhallowed, Grim Poppet, and Evereth, Viceroy of Plunder

Prerequisites

• Mikaeus, the Unhallowed on the battlefield
• Grim Poppet on the battlefield
• Evereth, Viceroy of Plunder on the battlefield

Steps

1. Activate Evereth by sacrificing Grim Poppet
2. When Grim Poppet dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect
3. Resolve the Evereth ability Repeat

Results

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