Colossal Whale | Creature | Whale | Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Whenever Colossal Whale attacks, you may exile target creature defending player controls until Colossal Whale leaves the battlefield. (That creature returns under its owner's control.) | Adam Paquette
Dismiss into Dream | Enchantment | | Each creature your opponents control is an Illusion in addition to its other types and has "When this creature becomes the target of a spell or ability, sacrifice it." | Sam Wolfe Connelly
Garruk's Horde | Creature | Beast | Trample
Play with the top card of your library revealed.
You may cast creature spells from the top of your library. (Do this only any time you could cast that creature spell. You still pay the spell's costs.) | Steve Prescott
Guardian of the Ages | Artifact Creature | Golem | Defender (This creature can't attack.)
When a creature attacks you or a planeswalker you control, if Guardian of the Ages has defender, it loses defender and gains trample. | Ryan Pancoast