Nightmare [Collectors' Edition] Ugin's Fate Creatures can't attack you unless

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you

Set: Magic Player Rewards 2009 Type: Instant Rarity: Rare Cost: {1}{U} Counter target noncreature spell

an' a piggy

Set: Amonkhet Invocations Type: Creature — Angel Rarity: Mythic Cost: {3}{B}{B} Kicker {W}{W} (You may pay an additional {W}{W} as you cast this spell

Nightmare [Collectors' Edition] Ugin's Fate Creatures can't attack you unlessSet: Collectors' Edition Type: Creature Nightmare Horse Rarity: Rare Cost: {5}{B} Flying (This creature can't be blocked except by creatures with flying or reach.) Nightmare's power and toughness are each equal to the number of Swamps you control. The Nightmare arises from its lair in the swamps. As the poisoned land spreads, so does the Nightmare's rage and terrifying strength.