Delina, Wild Mage, and Port Razer

Prerequisites

• Delina, Wild Mage on the battlefield
• Port Razer on the battlefield
• Delina does not have summoning sickness
• An opponent is unable to block and kill creatures you control

Steps

1. Declare Delina as an attacker, attacking any opponent unable to block and kill your creatures
2. Delina triggers, creating at least one token copy of Port Razer that is tapped and attacking
3. Deal combat damage with the Port Razer token
4. The Port Razer token triggers, causing you to untap all creatures you control and to get an additional combat phase after this one
5. At the end of the combat phase, the Port Razer token triggers, exiling itself
6. Repeat

Results

• Infinite combat damage
• Infinite combat phases
• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control