Carrion Feeder + Thran Vigil + Trapjaw Kelpie

BGU identity

Commander legal

The 3 combo pieces

• Carrion Feeder
• Thran Vigil
• Trapjaw Kelpie

How to execute it

1. Activate Carrion Feeder 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. Resolve the Carrion Feeder ability.
5. Repeat.

What the combo produces

• Infinite +1/+1 counters on a creature
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers