Port Razer, and Brago, King Eternal

Prerequisites

• Port Razer on the battlefield
• Brago, King Eternal on the battlefield
• You have a static effect granting your creatures haste
• An opponent is unable to block your creatures

Steps

1. Declare Brago and Port Razer as attackers
2. When they deal combat damage, Brago and Port Razer trigger
3. Resolve Port Razer's trigger, causing you to untap all creatures you control and get another combat phase after this one
4. Resolve Brago's trigger, blinking Port Razer and any number of other nonland permanents you control
5. Repeat

Results

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