Oona, Queen of the Fae [Secret Lair Drop Series] Dominaria Prerelease Promos {T}: Exchange target opponent's life

{T}: Exchange target opponent's life total with Tree of Perdition's toughness

This effect can't reduce the mana in that cost to less than one mana

if you gained life this turn

Set: Eternal Masters Type: Artifact Rarity: Rare Cost: {1} {1}: Look at the top three cards of your library

Oona, Queen of the Fae [Secret Lair Drop Series] Dominaria Prerelease Promos {T}: Exchange target opponent's lifeSet: Secret Lair Drop Series Type: Legendary Creature Faerie Wizard Rarity: Mythic Cost: {3}{U B}{U B}{U B} Flying {X}{U B}: Choose a color. Target opponent exiles the top X cards of their library. For each card of the chosen color exiled this way, create a 1 1 blue and black Faerie Rogue creature token with flying.