Vengeful Inundation

Return target creature to its owner's hand. If it dealt combat damage to you this turn, put it on top of its owner's library, instead.
"Your people have despoiled the beautiful sea, chaining the wind to your ships and the tides to your will. But its fate is entwined with your own, and so I consign you to the justice of the sea."
-Aziel, Siren of Widow's Weep