The First Sliver [Modern Horizons] Unicorn gain control of those permanents

gain control of those permanents

Its controller gains life equal to its power

where X is the number of cards in your hand

Set: Limited Edition Alpha Type: Instant Rarity: Uncommon Cost: {G} Cast this spell only before the combat damage step

Set: Shards of Alara Tokens Type: Token Creature — Beast Rarity: Common

The First Sliver [Modern Horizons] Unicorn gain control of those permanentsSet: Modern Horizons Type: Legendary Creature Sliver Rarity: Mythic Cost: {W}{U}{B}{R}{G} Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.) Sliver spells you cast have cascade.