Eloise, Nephalia Sleuth + Matoya, Archon Elder + Nadir Kraken + Phyrexian Altar

UB identity

Commander legal

The 4 combo pieces

• Eloise, Nephalia Sleuth
• Matoya, Archon Elder
• Nadir Kraken
• Phyrexian Altar

How to execute it

1. Activate Phyrexian Altar by sacrificing a creature token, adding {1}.
2. When the creature dies, Eloise's first and second abilities trigger, causing you to create a Clue token and then to surveil 1.
3. Matoya triggers, causing you to draw a card.
4. Nadir Kraken triggers, causing you to pay {1} to put a +1/+1 counter on it and create a 1/1 Tentacle creature token.
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