Hardened Academic + River Kelpie + Viscera Seer

WUBR identity

Commander legal

The 3 combo pieces

• Hardened Academic
• River Kelpie
• Viscera Seer

How to execute it

1. Activate Viscera Seer 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 Viscera Seer ability
7. Repeat.

What the combo produces

• Infinite card draw
• Infinite draw triggers
• Near-infinite creature sacrifice triggers
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB