Nadir Kraken is a rare Creature — Kraken card from Murders at Karlov Manor Commander (MKC), collector number 112. Current market price: $0.44, TCGplayer market prices via Scryfall.
Whenever you draw a card, you may pay {1}. If you do, put a +1/+1 counter on this creature and create a 1/1 blue Tentacle creature token.