Force of Negation (Retro) [Modern Horizons] XY177 Set: Secret Lair Countdown Kit

Set: Secret Lair Countdown Kit Type: Artifact Rarity: Mythic Cost: {0} Imprint — When Chrome Mox enters the battlefield

Set: Dominaria United Type: Legendary Creature — Nightmare Rarity: Rare Cost: {1}{B}{B} At the beginning of your end step

that player discards a card at random

Part prison

Force of Negation (Retro) [Modern Horizons] XY177 Set: Secret Lair Countdown KitSet: Modern Horizons Type: Instant Rarity: Rare Cost: {1}{U}{U} If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost. Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.