Aqualis, the Walking Wave

Aqualis, the Walking Wave is unblockable and
can't block.
Whenever Aqualis, the Walking Wave deals combat damage to an opponent, return three nonland permanents they control to their hand.
Aqualis, the Walking Wave does not untap during your untap step. Untap it whenever you cast an instant or sorcery spell with a converted mana cost of 3 or more.