Kenrith, the Returned King, Earthcraft, Agatha of the Vile Cauldron, and Rith's Attendant

Prerequisites

• Kenrith, the Returned King on the battlefield
• Earthcraft on the battlefield
• Agatha of the Vile Cauldron on the battlefield
• Rith's Attendant in the graveyard
• available

Steps

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

Results

• Infinite +1/+1 counters on creatures you control
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite green mana
• Infinite lifegain
• Infinite lifegain triggers
• Infinite red mana
• Infinite sacrifice triggers
• Infinite white mana