Bloodflow Connoisseur + River Kelpie + Vizier of Remedies

WUB identity

Commander legal

The 3 combo pieces

• Bloodflow Connoisseur
• River Kelpie
• Vizier of Remedies

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 without a -1/-1 counter on it due to Vizier of Remedies.
3. When River Kelpie enters, its first ability triggers, causing you to draw a card.
4. Resolve the Bloodflow Connoisseur ability.
5. 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