Phyrexian Altar + River Kelpie + Vizier of Remedies

WU identity

Commander legal

The 3 combo pieces

• Phyrexian Altar
• River Kelpie
• Vizier of Remedies

How to execute it

1. Activate Phyrexian Altar 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. Repeat.

What the combo produces

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