Praea, Goddess of Drowning

Hexproof, Deathtouch, Trample, Indestructible
As long as you control less islands than an other player, Praxithea isn't a creature.
Whenever a island enters the battlefield, exile
target creature.
{2}{u}{b}{g}: Search your library for 3 islands.
{b/g}{g/u}{u/b}: Untap target island, it becomes a 3/3 elemental creature in addition to its other types.
{1}: Exile target creature you control.