Thief of Existence [Modern Horizons 3]

Set: Modern Horizons 3 Type: Creature — Eldrazi Rarity: Rare Cost: {1}{C}{G} Devoid (This card has no color.)When you cast this spell, exile up to one target noncreature, nonland permanent an opponent controls with mana value 4 or less. If you do, Thief of Existence gains "When this creature leaves the battlefield, target opponent draws a card."