Pearled Unicorn [Revised Edition] Kaladesh Promos then puts all cards revealed

then puts all cards revealed this way that weren't put onto the battlefield on the bottom of their library in any order

Simic bioengineer

Set: Visions Type: Sorcery Rarity: Uncommon Cost: {X}{U} Each player draws X cards

Set: Magic 2015 Type: Instant Rarity: Common Cost: {1}{U} Return target creature you control and target creature you don't control to their owners' hands

Pearled Unicorn [Revised Edition] Kaladesh Promos then puts all cards revealedSet: Revised Edition Type: Creature Unicorn Rarity: Common Cost: {2}{W} "'Do you know, I always thought Unicorns were fabulous monsters, too? I never saw one alive before!' 'Well, now that we have seen each other,' said the Unicorn, 'if you'll believe in me, I'll believe in you.'" Lewis Carroll