Activate Zimone and Dina by tapping it and sacrificing another creature.
When the creature dies, Zimone and Dina triggers, untapping it.
Resolve the Zimone and Dina ability from step 1, causing you to draw a card, and allowing you to put a land card from your hand onto the battlefield, and then repeating the process one additional time if you control at least eight lands.
Nadir Kraken triggers for each card drawn this way.
Resolve the first Nadir Kraken trigger, causing you to pay ({1} magic symbol) to put a +1/+1 counter on it and create a 1/1 Tentacle creature token.
Resolve the second Nadir Kraken trigger, if applicable, choosing not to pay.
Activate Phyrexian Altar by sacrificing the Tentacle, adding ({1} magic symbol) .
Repeat.
Results
Infinite card draw.
Infinite draw triggers.
Near-infinite +1/+1 counters on Nadir Kraken.
Near-infinite death triggers.
Near-infinite ETB.
Near-infinite LTB.
Near-infinite sacrifice triggers.
Put all lands from your hand and library onto the battlefield.