Aurelia, the Warleader + Sword of Hearth and Home

Aurelia, the Warleader
Sword of Hearth and Home

Requires
All permanents on the battlefield. Sword of Hearth and Home attached to any other creature you control. The creature with Sword of Hearth and Home attached can attack this turn. An opponent cannot block and kill the creature with Sword of Hearth and Home attached and Aurelia.
Steps
  1. Declare Aurelia and the creature with Sword of Hearth and Home attached as attackers, attacking an opponent unable to block them
  2. Aurelia triggers, causing you to untap all creatures you control and to get an additional combat phase after this one
  3. Deal combat damage with Aurelia and the creature that has Sword of Hearth and Home attached
  4. Sword of Hearth and Home triggers, blinking Aurelia and searching your library for a basic land card and putting it onto the battlefield
  5. Repeat each combat phase
Results
Infinite combat phases. Infinite combat damage. Infinite ETB. Infinite LTB. Put all basic lands from your library onto the battlefield.