Blue Planeswalker Spark

Enchant Blue Creature you control.

Enchanted Creature is a Legendary Blue Planeswalker with starting loyalty 5 and:
"+1: add {u}."
"-3: put a Basic Island card from your hand onto the battlefield tapped."
"-8: you get an emblem with "Basic islands you control have
'{t}: add {u}{u}.'"
Enchanted Creature is no longer a creature and lose all abilities.
When Enchanted permanent has no loyalty counters, sacrifice this enchantment, it turns back into a creature.