Snapback [Time Spiral] Alternative Being Booster Promos where X is the excess

where X is the excess damage dealt this way

Target player sacrifices a creature

The selected cards will not become active in your opponent's next Refresh Phase

Set: Archenemy: Nicol Bolas Type: Instant Rarity: Uncommon Cost: {1}{B}{B} Destroy two target nonblack creatures

and the hive thundered

Snapback [Time Spiral] Alternative Being Booster Promos where X is the excessSet: Time Spiral Type: Instant Rarity: Common Cost: {1}{U} You may exile a blue card from your hand rather than pay this spell's mana cost. Return target creature to its owner's hand. "If it returns years hence, our knowledge of how to combat it will be that much greater." Andorel, Tolarian sentinel