Urabrask the Hidden + Sword of Hearth and Home + Port Razer

Urabrask the Hidden
Sword of Hearth and Home
Port Razer

Requires
All permanents on the battlefield. Sword of Hearth and Home attached to Urabrask. An opponent is unable to block and kill Urabrask and Port Razer.
Steps
  1. Deal combat damage to an opponent with Urabrask and Port Razer, triggering Sword of Hearth and Home and Port Razer
  2. Resolve the Port Razer trigger, untapping all creatures you control and causing you to get an additional combat phase after this one
  3. Resolve the Sword of Hearth and Home trigger, exiling Port Razer, then causing you to search your library for a basic land card, then put the land and Port Razer onto the battlefield
  4. Repeat each combat phase
Results
Infinite combat phases. Infinite combat damage. Infinite ETB. Infinite LTB. Near-infinite landfall triggers. Infinite untap of creatures you cotnrol. Put all basic land cards from your library onto the battlefield.