Jasconian Isle — Mystery Booster Playtest Cards 2021 #117

(Jasconian Isle isn't a spell, it's affected by summoning sickness, it's blue, and it has ": Add .")

Jasconian Isle enters tapped.

Jasconian Isle doesn't untap during your untap step.

At the beginning of your upkeep, you may pay . If you do, untap Jasconian Isle.