Nadir Kraken, Laid to Rest, Ashnod's Altar, and Xenograft

Prerequisites

• Nadir Kraken on the battlefield
• Laid to Rest on the battlefield
• Ashnod's Altar on the battlefield
• Xenograft on the battlefield
• "Human" chosen with Xenograft
• You control another creature to sacrifice

Steps

1. Activate Ashnod's Altar by sacrificing a creature, adding
2. Laid to Rest triggers, drawing you a card
3. Nadir Kraken triggers
4. Resolve the Nadir Kraken trigger, paying to put a +1/+1 counter on Nadir Kraken and creating a 1/1 Tentacle creature token
5. Activate Ashnod's Altar by sacrificing the Tentacle, adding
6. Repeat from step 2

Results

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