Nadir Kraken
Creature — Kraken
Whenever you draw a card, you may pay . If you do, put a +1/+1 counter on this creature and create a 1/1 blue Tentacle creature token.
Meeting one is definitely the low point of your life.
Dan Murayama Scott
Rulings
You choose whether to pay {1} after drawing the card and seeing what it is. If you draw multiple cards, you see them all before deciding how many of the resulting triggers you'll pay {1} for.
(wotc • 2020-01-24)
If Nadir Kraken leaves the battlefield after its ability has triggered, you can still pay {1} and get a Tentacle, even though you won't put a +1/+1 counter on Nadir Kraken.
(wotc • 2020-01-24)
While resolving Nadir Kraken's ability, you can't pay {1} multiple times to create multiple Tentacles or to give it multiple +1/+1 counters.
(wotc • 2020-01-24)
Printings
Price History (USD)
Price History (EUR)
Rulings
You choose whether to pay {1} after drawing the card and seeing what it is. If you draw multiple cards, you see them all before deciding how many of the resulting triggers you'll pay {1} for.
(wotc • 2020-01-24)
If Nadir Kraken leaves the battlefield after its ability has triggered, you can still pay {1} and get a Tentacle, even though you won't put a +1/+1 counter on Nadir Kraken.
(wotc • 2020-01-24)
While resolving Nadir Kraken's ability, you can't pay {1} multiple times to create multiple Tentacles or to give it multiple +1/+1 counters.
(wotc • 2020-01-24)