Force of Negation [Modern Horizons] Apocalypse Promos Whenever a creature with power

Whenever a creature with power 4 or greater enters the battlefield under your control

Add an amount of mana of that color equal to your devotion to that color

Set: Friday Night Magic 2012 Type: Instant Rarity: Rare Cost: {1}{B/P}{B/P} ({B/P} can be paid with either {B} or 2 life

fallowsage

Set: Darksteel Type: Artifact Rarity: Rare Cost: {5} Imprint — {X}

Force of Negation [Modern Horizons] Apocalypse Promos Whenever a creature with powerSet: 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."