Myrkul, Lord of Bones, Ondu Spiritdancer, and Setessan Champion

Prerequisites

• Myrkul, Lord of Bones on the battlefield
• Ondu Spiritdancer on the battlefield
• Setessan Champion on the battlefield
• You have a way to kill Ondu Spiritdancer

Steps

1. Kill Ondu Spiritdancer
2. Myrkul triggers, creating a token copy of Ondu Spiritdancer that is an enchantment
3. When the token Ondu Spiridancer enters the battlefield, it and Setessan Champion trigger
4. Resolve the Setessan Champion trigger, putting a +1/+1 counter on it and causing you to draw a card
5. Resolve the Ondu Spiritdancer trigger, creating a token copy of itself
6. Repeat from step 3

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite +1/+1 counters on Setessan Champion
• Near-infinite Ondu Spiritdancer tokens that are enchantments