Nightmare [Collectors' Edition] Rat Wizard and then I'll fix it

and then I'll fix it again

Set: Sun & Moon: Base Set Type: Psychic Rarity: Holo Rare

Set: Summer Magic / Edgar Type: Sorcery Rarity: Rare Cost: {X}{B} Target player discards X cards at random

Set: Sun & Moon: Team Up Type: Metal Rarity: Secret Rare Retreat cost: Colorless

Set: March of the Machine Prerelease Promos Type: Creature — Faerie Rogue Rarity: Rare Cost: {1}{U} Flash

Nightmare [Collectors' Edition] Rat Wizard and then I'll fix itSet: 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.