Unstable Mutation [Arabian Nights] Challenger Decks its appetite for magic is

its appetite for magic is extraordinary

there is an additional end step after this step

000 Type: Instant Rarity: Rare Cost: {8}{B}{B}{R} This spell costs {1} less to cast for each creature that died this turn

that creature gains "When this creature dies

Set: World Championship Decks 2002 Type: Instant — Rarity: Rare Cost: {1}{U} Counter target spell or ability an opponent controls that targets a land you control

Unstable Mutation [Arabian Nights] Challenger Decks its appetite for magic isSet: Arabian Nights Type: Enchantment Aura Rarity: Common Cost: {U} Enchant creature Enchanted creature gets +3 +3. At the beginning of the upkeep of enchanted creature's controller, put a 1 1 counter on that creature.