Kenrith, the Returned King + Earthcraft + Agatha of the Vile Cauldron + Morgue Toad

Prerequisites

• You control a basic Swamp.

Steps

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

Effects

• Infinite blue mana
• Infinite card draw for any number of players
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite draw triggers for any number of players
• Infinite red mana