Wayta, Trainer Prodigy, Cacophodon, and Polyraptor

Prerequisites

• Wayta, Trainer Prodigy on the battlefield
• Cacophodon on the battlefield
• Polyraptor on the battlefield
• You have a way to give Cacophodon indestructible
• You control a permanent that can tap to produce at least

Steps

1. Give Cacophodon indestructible, if needed
2. Activate a mana-producing permanent by tapping it, adding at least
3. Activate Wayta by paying , causing a Polyraptor and Cacophodon to fight each other
4. Polyraptor and Cacophodon trigger twice
5. Resolve both Polyraptor triggers, creating two token copies of it
6. Resolve both Cacophodon triggers, untapping Wayta and the mana-producing permanent
7. Repeat from step 2

Results

• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB