Bloodflow Connoisseur + Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Relentless Skaabs

WUB identity

Commander legal

The 3 combo pieces

• Bloodflow Connoisseur
• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
• Relentless Skaabs

How to execute it

1. Activate Bloodflow Connoisseur 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 Bloodflow Connoisseur 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 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