Agatha of the Vile Cauldron, Umbral Mantle, and Earthcraft

Prerequisites

• Agatha of the Vile Cauldron on the battlefield
• Umbral Mantle on the battlefield
• Earthcraft on the battlefield
• undefined

Steps

1. Activate a basic land by tapping it, adding
2. Activate Earthcraft by tapping the creature with Umbral Mantle attached, untapping the basic land
3. Activate the creature by paying due to Agatha of the Vile Cauldron and untapping it, giving itself +2/+2 until end of turn
4. Repeat

Results

• Infinite power and toughness for a creature until end of turn