Bloodflow Connoisseur + Hardened Academic + River Kelpie

WUBR identity

Commander legal

The 3 combo pieces

• Bloodflow Connoisseur
• Hardened Academic
• River Kelpie

How to execute it

1. Activate Bloodflow Connoisseur by sacrificing River Kelpie.
2. When River Kelpie dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. Hardened Academic and River Kelpie trigger.
4. Resolve the Hardened Academic trigger, putting a +1/+1 counter on River Kelpie.
5. Resolve the River Kelpie trigger, causing you to draw a card.
6. Resolve the Bloodflow Connoisseur ability
7. Repeat.

What the combo produces

• Infinite card draw
• Infinite draw triggers
• Near-infinite +1/+1 counters on a creature
• Near-infinite creature sacrifice triggers
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB