Port Razer + Helm of the Host
Produces: Infinite combat damage, Infinite combat phases, Infinite creature tokens with haste, Infinite damage, Infinite ETB, Infinite mana creatures you control can produce, Infinite untap of creatures you control


- Color identity
- R
Prerequisites
Helm of the Host attached to Port Razer. An opponent is unable to block Port Razer.
Steps
- At the beginning of combat, Helm of the Host triggers, creating a token copy of Port Razer with haste.
- Declare the Port Razer token as an attacker.
- When the Port Razer token deals combat damage, it triggers, causing you to untap all creatures you control and get another combat phase after this one.
- Repeat.