Force of Negation [Modern Horizons] SWSH159 its controller adds an additional

its controller adds an additional G

Flying (This creature can't be blocked except by creatures with flying

Whenever Battle Myrsphere attacks

convert Prowl

Set: Collectors' Edition Type: Creature — Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1/+1 and have islandwalk

Force of Negation [Modern Horizons] SWSH159 its controller adds an additionalSet: 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."