Yore-Tiller Nephilim + Port Razer + Ashnod's Altar

Prerequisites

• Yore-Tiller Nephilim does not have summoning sickness.
• An opponent is unable to block creatures you control.

Steps

1. 1Declare Yore-Tiller Nephilim as an attacker.
2. 2Yore-Tiller Nephilim triggers, returning Port Razer from your graveyard onto the battlefield tapped and attacking.
3. 3Deal combat damage with Port Razer and Yore-Tiller Nephilim.
4. 4Port Razer triggers, untapping each creature you control and causing you to get an additional combat phase after this one.
5. 5Activate Ashnod's Altar by sacrificing Port Razer, adding .
6. 6Repeat each combat phase.

Effects

• Infinite combat damage
• Infinite combat phases
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control