Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Woe Strider, and Cryptborn Horror

Prerequisites

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• Woe Strider on the battlefield
• Cryptborn Horror on the battlefield

Steps

1. Activate Woe Strider by sacrificing Cryptborn Horror
2. When Cryptborn Horror dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect
3. Resolve the Woe Strider ability
4. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite scry 1