Carrion Feeder + Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Relentless Skaabs

WUB identity

Commander legal

The 3 combo pieces

• Carrion Feeder
• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
• Relentless Skaabs

How to execute it

1. Activate Carrion Feeder by sacrificing Relentless Skaabs
2. When Relentless Skaabs 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 Relentless Skaabs
4. When Relentless Skaabs 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