Rite of Passage, Winding Constrictor, and Deathbringer Thoctar

Prerequisites

• Rite of Passage on the battlefield
• Winding Constrictor on the battlefield
• Deathbringer Thoctar on the battlefield

Steps

1. Activate Deathbringer Thoctar by removing a +1/+1 counter from it, dealing 1 damage to itself
2. Rite of Passage triggers, putting two +1/+1 counters on Deathbringer Thoctar
3. Repeat an arbitrarily large number of times
4. Move to the next turn, removing all damage marked on Deathbringer Thoctar
5. Activate Deathbringer Thoctar by removing a +1/+1 counter from it, dealing 1 damage to any target
6. Repeat step 5 as desired

Results

• Infinite damage
• Infinite +1/+1 counters