Excava, the Risen Past + Second Chance + Solemnity

URW identity

Commander legal

The 3 combo pieces

• Excava, the Risen Past
• Second Chance
• Solemnity

What must be in place

Excava cannot be blocked and killed by an opponent.
You have 5 or less life.

How to execute it

1. At the beginning of your upkeep, Second Chance triggers, causing you to sacrifice it and get an extra turn after this one.
2. Declare Excava as an attacker. It triggers, returning Second Chance from your graveyard to the battlefield. It won't enter with a finality counter due to Solemnity.
3. Repeat each turn.

What the combo produces

• Infinite turns
• Lock