Zirda, the Dawnwaker, Dino DNA, Phyrexian Altar, and Cathodion

Prerequisites

• Zirda, the Dawnwaker on the battlefield
• Dino DNA on the battlefield
• Phyrexian Altar on the battlefield
• Cathodion in exile
• available

Steps

1. Activate Dino DNA's second ability by paying , creating a token copy of Cathodion that is a 6/6 Dinosaur
2. Activate Phyrexian Altar by sacrificing the Cathodion token, adding
3. When the Cathodion token dies, it triggers, adding
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers