Agatha of the Vile Cauldron + Earthcraft + Extruder + Kenrith, the Returned King

WUBRG identity

Commander legal

The 4 combo pieces

• Agatha of the Vile Cauldron
• Earthcraft
• Extruder
• Kenrith, the Returned King

What must be in place

You control a basic Swamp.

How to execute it

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

What the combo produces

• Infinite +1/+1 counters on creatures you control
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers