Thermopod + Thran Vigil + Trapjaw Kelpie

UBRG identity

Commander legal

The 3 combo pieces

• Thermopod
• Thran Vigil
• Trapjaw Kelpie

How to execute it

1. Activate Thermopod by sacrificing Trapjaw Kelpie.
2. When Trapjaw Kelpie dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. Thran Vigil triggers, putting a +1/+1 counter on Trapjaw Kelpie.
4. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite red mana
• Infinite sacrifice triggers