Basalt Monolith, Animating Faerie // Bring to Life, and Agatha of the Vile Cauldron

Prerequisites

• Basalt Monolith on the battlefield
• Animating Faerie // Bring to Life in hand
• Agatha of the Vile Cauldron on the battlefield
• Basalt Monolith does not have summoning sickness
• Agatha of the Vile Cauldron has power 1 or greater
• available

Steps

1. Cast Bring to Life by paying , causing Basalt Monolith to become a 0/0 artifact creature, then putting four +1/+1 counters on it and exiling Bring to Life
2. Activate Basalt Monolith's first ability by tapping it, adding
3. activate Basalt Monolith's second ability by paying at most , untapping it
4. Repeat from step 2

Results

• Infinite colorless mana