Hostage Taker [Ixalan Prerelease Promos] Field Spell "Every spell has the potential

"Every spell has the potential to be worthless

toss a coin and call heads or tails before damage calculation

Nicol Bolas Type: Artifact Rarity: Uncommon Cost: {4} {1}

Set: Invasion: Vengeance Card type: Union/Tuner/Effect Monster Rarity: Super Rare Attack: 0 Defense: 0 Once per turn

Hostage Taker [Ixalan Prerelease Promos] Field Spell "Every spell has the potentialSet: Ixalan Prerelease Promos Type: Creature Human Pirate Rarity: Rare Cost: {2}{U}{B} When Hostage Taker enters the battlefield, exile another target creature or artifact until Hostage Taker leaves the battlefield. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any type to cast that spell.