Godo and Sword of Hearth and Home on the battlefield.
Sword of Hearth and Home attached to any Samurai you control.
Godo and the Samurai with Sword of Hearth and Home attached cannot be blocked by an opponent.
You control a Mountain.
Steps
Declare Godo and the Samurai with Sword of Hearth and Home attached as attackers.
Godo's second ability triggers, untapping it and all Samurai you control, and causing you to get an additional combat phase after this one.
Deal combat damage using Godo and the Samurai that has Sword of Hearth and Home attached.
Sword of Hearth and Home triggers, causing you to exile Godo, then search your library for a basic land card and exile it, then put the land and Godo from exile onto the battlefield.
When Godo enters the battlefield, its first ability triggers, causing you to search your library for an Equipment card and put it onto the battlefield.
Repeat each combat phase.
Results
Infinite combat damage.
Infinite combat phases.
Infinite ETB.
Infinite LTB.
Infinite untap of all Samurai you control.
Put all basic lands from your library onto the battlefield.
Put all Equipment from your library onto the battlefield.