Vigor + Deathbringer Thoctar + Quest for Pure Flame

Vigor

Deathbringer Thoctar

Quest for Pure Flame

How it works

1. Activate Quest for Pure Flame by removing four quest counters from it and sacrificing it, doubling the amount of damage sources you control deal this turn.
2. Activate Deathbringer Thoctar by removing a +1/+1 counter from it, putting two +1/+1 counters on it due to Vigor.
3. Activate Deathbringer Thoctar by removing a +1/+1 counter from it, dealing 2 damage to any target.
4. Repeat from step 2 as desired.