Gonggong, Water God

Indestructible
As long as your devotion to blue and black is less
than seven, Gonggong isn't a creature.
Whenever an island/swamp enters the battlefield,
each creature on the battlefiled gets a Drowning
counter for each island and swamp on the battlefield. If a creature has: 5 drowning counters—Creature gains defender. 15 drowning counters—Exile creature until Gonggong leaves the battlefield. 20
drowning counters—Creature loses indestructible and
dies.