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

WB identity

Commander legal

The 3 combo pieces

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

How to execute it

1. Activate Carrion Feeder by sacrificing Sightless Ghoul
2. When Sightless Ghoul dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. Activate Carrion Feeder by sacrificing Sightless Ghoul
4. When Sightless Ghoul dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
5. Resolve both Carrion Feeder abilities from step 1 and 3.
6. Repeat.

What the combo produces

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