Butcher Ghoul + Carrion Feeder + Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight

WB identity

Commander legal

The 3 combo pieces

• Butcher Ghoul
• Carrion Feeder
• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight

How to execute it

1. Activate Carrion Feeder by sacrificing Butcher Ghoul
2. When Butcher Ghoul dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. Resolve the Carrion Feeder ability.
4. Activate Carrion Feeder by sacrificing Butcher Ghoul
5. When Butcher Ghoul dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
6. Butcher Ghoul enters and dies as a state-based action due to having 0 toughness. Its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
7. Resolve the Carrion Feeder ability from step 4.
8. Repeat from step 4.

What the combo produces

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