Vraska, Swarm's Eminence + Triskelion

Vraska, Swarm's Eminence
Triskelion

Requires
Vraska, Swarm's Eminence must be on the battlefield. Triskelion must be on the battlefield. Triskelion has at least two +1/+1 counters. You have a way to give Triskelion deathtouch.
Steps
  1. Give Triskelion deathtouch.
  2. Activate Triskelion by removing a +1/+1 counter from it, dealing 1 damage to an opponent.
  3. Vraska triggers, putting a +1/+1 counter on Triskelion.
  4. Repeat from step 2.
Results
Infinite damage.