Tidal Coercion

Gain control of target enchanted creature or enchantment creature with converted mana cost X or less.
Overload {x}{u}{u}{u} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")
Even the magic of Nyx cannot resist the tides' insatiable desire to claim more denizens for its domain.