Bifur, Melodic Rider + Bloodflow Connoisseur + Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight

RWB identity

Commander legal

The 3 combo pieces

• Bifur, Melodic Rider
• Bloodflow Connoisseur
• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight

How to execute it

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

What the combo produces

• Infinite +1/+1 counters on most creatures you control
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers