Anti-Venom, Horrifying Healer + Agatha's Soul Cauldron + Furnace of Rath + Deathbringer Thoctar

Anti-Venom, Horrifying Healer

Agatha's Soul Cauldron

Furnace of Rath

Deathbringer Thoctar

How it works

1. Activate Anti-Venom using Deathbringer Thoctar's ability by removing a +1/+1 counter from it, targeting itself and putting two +1/+1 counters on it due to its replacement effect and Furnace of Rath.
2. Activate Anti-Venom using Deathbringer Thoctar's ability by removing a +1/+1 counter from it, dealing 1 damage to any target.
3. Repeat.

This ingenious loop turns Agatha's Soul Cauldron into a bridge for stolen power by exiling Deathbringer Thoctar, granting its lethal activated ability to any creature bearing a +1/+1 counter. Anti-Venom, Horrifying Healer readily steps into this role thanks to its unique damage-prevention text, which converts the 1 damage ping directed at it into a surplus of two +1/+1 counters instead, a bounty enthusiastically doubled by Furnace of Rath. By continuously spending those generated counters to fuel Deathbringer Thoctar's ping, you can recycle the sequence indefinitely to wash the board and your opponents in infinite damage.