Fanatical Offering [The Lost Caverns of Ixalan]

Set: The Lost Caverns of Ixalan Type: Instant Rarity: Common Cost: {1}{B} As an additional cost to cast this spell, sacrifice an artifact or creature.Draw two cards and create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.") The gateway could be opened only by the spilling of innocent blood. Vito did not hesitate.