Nightmare [Fourth Edition] Elemental Skeleton Whenever one or more +1/+1

Whenever one or more +1/+1 counters are put on Lonis

Set: Aether Revolt Prerelease Promos Type: Creature — Human Rogue Rarity: Rare Cost: {1}{B} Menace

choose a player or planeswalker that opponent is attacking

Set: Strixhaven: School of Mages Type: Creature — Human Wizard Rarity: Rare Cost: {2}{U}{U} Magecraft — Whenever you cast or copy an instant or sorcery spell

Nightmare [Fourth Edition] Elemental Skeleton Whenever one or more +1/+1Set: Fourth 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.