Force of Negation (Retro) [Modern Horizons] XY177 Part prison

Part prison

Set: War of the Spark Type: Legendary Planeswalker — Karn Rarity: Rare Cost: {4} Activated abilities of artifacts your opponents control can't be activated

Instead tap it

that player discards a card at random

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

Force of Negation (Retro) [Modern Horizons] XY177 Part prisonSet: 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.