Carrion Feeder + Kithkin Spellduster + Thran Vigil

WB identity

Commander legal

The 3 combo pieces

• Carrion Feeder
• Kithkin Spellduster
• Thran Vigil

How to execute it

1. Activate Carrion Feeder by sacrificing Kithkin Spellduster.
2. When Kithkin Spellduster 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 Kithkin Spellduster.
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