Temple of the Cloud Kraken

{t}: Add {u}. If that mana is spent on a
Kraken creature spell, it enters the battlefield with a flying counter on it.
{1}{u}, {t}: Choose one —
• Put a +1/+1 counter on target Kraken.
• Create a 1/1 blue Tentacle creature token.
Activate this ability only if you control a Kraken.