Force of Negation [Modern Horizons] Ice Age Activate only if you have

Activate only if you have the city's blessing

Set: Hour of Devastation Prerelease Promos Type: Creature — Horse Rarity: Mythic Cost: {3}{W}{W} Other Horses you control have indestructible

Set: Beta Edition Type: Artifact Rarity: Rare Cost: {0} {T}: Add {U}

But where is the source

that player discards a card at random

Force of Negation [Modern Horizons] Ice Age Activate only if you haveSet: 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. "Try, if you must."