Since this is a squid and there is an arctic squid, make it so that casting freeze on it will turn it into an Arctic Squid.
Makes sense thematically, and it's kinda like the Skeleton
/Rewind
interaction
Back to the card, i don't like very much effects based on % because they're not reliable in the short run and don't help in making a solid strategy.
I'd prefer a sure miss that wears off after a turn, and maybe delay the squid (because it have to produce the ink again!).
And with a lower cost.
In short, i'd use this kind of ability:
Unupped | Upped |
: Ink Target creature miss its next attack. Squid is delayed. | : Blind Target creature miss its next 2 attacks. Squid is delayed. |