The First Sliver (Retro) [Modern Horizons] Cockatrice In the year 2271

In the year 2271

attacking creatures you control gain flying until end of turn

Set: Secret Lair Drop Promos Type: Artifact Rarity: Rare Cost: {3} Whenever a Dragon enters the battlefield under your control

Sacrifice three other creatures: Exile Elesh Norn

The First Sliver (Retro) [Modern Horizons] Cockatrice In the year 2271Set: 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. A humble appearance belies a master's skill.