Oath of the Gatewatch

Crush of Tentacles | Sorcery | | Surge {3}{U}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) Return all nonland permanents to their owners' hands. If this spell's surge cost was paid, create an 8/8 blue Octopus creature token. | Jama Jurabaev

Roiling Waters | Sorcery | | Return up to two target creatures your opponents control to their owners' hands. Target player draws two cards. | David Gaillet