Triskelion + Scythe of the Wretched + Hardened Scales

Triskelion
Scythe of the Wretched
Hardened Scales

Requires
Triskelion must be on the battlefield. Scythe of the Wretched must be on the battlefield. Hardened Scales must be on the battlefield. Scythe of the Wretched attached to Triskelion. Triskelion has at least three +1/+1 counters on it.
Steps
  1. If Triskelion has more than 3 +1/+1 counters on it, activate Trislekion by removing all additional counters to deal damage to your choice of targets.
  2. Activate Triskelion's ability by removing a +1/+1 counter from it to deal 1 damage to itself.
  3. Repeat step 1 an additional 2 times, killing Triskelion.
  4. Scythe of the Wretched triggers, returning Triskelion to the battlefield with Scythe of the Wretched attached to it.
  5. Repeat.
Results
Infinite damage. Infinite death triggers. Infinite ETB. Infinite LTB.

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