Kenrith, the Returned King + Earthcraft + Agatha of the Vile Cauldron + Goblin Firestarter

Prerequisites

• You control a basic Swamp.
• It is your precombat main phase.

Steps

1. 1Activate a basic Swamp by tapping it, adding .
2. 2Activate Kenrith's fifth ability by paying due to Agatha, returning Goblin Firestarter from your graveyard to the battlefield.
3. 3Activate Earthcraft by tapping Goblin Firestarter, untapping the basic Swamp.
4. 4Activate Goblin Firestarter by sacrificing it.
5. 5Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite damage
• Infinite death triggers