Kylox, Visionary Inventor [Murders at Karlov Manor Prerelease Promos]

Set: Murders at Karlov Manor Prerelease Promos Type: Legendary Creature — Viashino Artificer Rarity: Rare Cost: {5}{U}{R} Menace, ward 2, hasteWhenever Kylox, Visionary Inventor attacks, sacrifice any number of other creatures, then exile the top X cards of your library, where X is their total power. You may cast any number of instant and/or sorcery spells from among the exiled cards without paying their mana costs.