MTG Modern Horizons 3 Ugin's Labyrinth (Borderless)

Imprint — When Ugin's Labyrinth enters, you may exile a colorless card with mana value 7 or greater from your hand. {T}: Add {C}. If a card is exiled with Ugin's Labyrinth, add {C}{C} instead. {T}: Return the exiled card to its owner's hand.