Strong, the Brutish Thespian + Agatha's Soul Cauldron + Deathbringer Thoctar

Strong, the Brutish Thespian

Agatha's Soul Cauldron

Deathbringer Thoctar

How it works

1. Activate Strong using Deathbringer Thoctar's ability by removing a +1/+1 counter from it, dealing 1 damage to Strong.
2. Strong triggers, putting three +1/+1 counters on it and causing you to get three rad counters.
3. Repeat an arbitrarily large number of times.
4. Activate Strong using Deathbringer Thoctar's ability by removing a +1/+1 counter from it, dealing 1 damage to any target.
5. Repeat step 4 as desired.

By using Agatha's Soul Cauldron to exile Deathbringer Thoctar, you grant its activated ability to any of your creatures carrying a +1/+1 counter. Strong, the Brutish Thespian happily accepts these counters when dealt damage, converting Deathbringer Thoctar's ping into self-inflicted damage that triggers Strong's enrage ability. This loop rapidly accumulates infinite +1/+1 counters and rad counters on Strong, while Agatha's Soul Cauldron simultaneously ensures you safely gain life instead of losing it to the radiation. Finally, you can redirect that newly unlocked Deathbringer Thoctar ability to any opponent or target for infinite damage.