Nadir Kraken, Korvold, Fae-Cursed King, and Phyrexian Altar

Prerequisites

• Nadir Kraken on the battlefield
• Korvold, Fae-Cursed King on the battlefield
• Phyrexian Altar on the battlefield
• You control an additional creature

Steps

1. Activate Phyrexian Altar by sacrificing a creature, adding one mana of any color
2. The creature dies, triggering Korvold, causing you to put a +1/+1 counter on it and drawing you a card
3. Nadir Kraken triggers, causing you to pay to put a +1/+1 counter on it and create a 1/1 Tentacle creature token
4. Repeat

Results

• Infinite card draw
• Infinite death triggers
• Infinite draw triggers
• Infinitely large Nadir Kraken
• Infinite sacrifice triggers
• Near-infinite +1/+1 counters on Korvold
• Near-infinite +1/+1 counters on Nadir Kraken
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite sacrifice triggers