Matoya, Archon Elder, Nadir Kraken, Eloise, Nephalia Sleuth, and Ashnod's Altar

Prerequisites

• Matoya, Archon Elder on the battlefield
• Nadir Kraken on the battlefield
• Eloise, Nephalia Sleuth on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing a creature token, adding
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 to put a +1/+1 counter on it and create a 1/1 Tentacle creature token
5. Repeat

Results

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