Myrkul, Lord of Bones + Ondu Spiritdancer + Archon of Sun's Grace

Prerequisites

• You have a way to kill Ondu Spiritdancer.

Steps

1. 1Kill Ondu Spiritdancer.
2. 2Myrkul triggers, creating a token copy of Ondu Spiritdancer that is an enchantment.
3. 3When the token Ondu Spiridancer enters the battlefield, it and Archon of Sun's Grace trigger.
4. 4Resolve the Archon of Sun's Grace trigger, creating a 2/2 Pegasus creature token.
5. 5Resolve the Ondu Spiritdancer trigger, creating a token copy of itself.
6. 6Repeat from step 3.

Effects

• Infinite copies of a specific creature
• Infinite creature tokens
• Infinite ETB