Bloodflow Connoisseur + Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Gleeful Arsonist

RWB identity

Commander legal

The 3 combo pieces

• Bloodflow Connoisseur
• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
• Gleeful Arsonist

How to execute it

1. Activate Bloodflow Connoisseur by sacrificing Gleeful Arsonist
2. When Gleeful Arsonist dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. Activate Bloodflow Connoisseur by sacrificing Gleeful Arsonist
4. When Gleeful Arsonist dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
5. Resolve both Bloodflow Connoisseur 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