Unstable Mutation [Arabian Nights] Legacy of the Valiant if this card battles a

if this card battles a Pendulum Monster: Destroy both that monster and this card

Set: Arena League 2001 Type: Instant Rarity: Rare Cost: {1}{R} As an additional cost to cast this spell

You may reveal any number of creature cards from among them and put the revealed cards into your hand

You can only use 1 "Numbers Protection" effect per turn

you can negate the Summon of a monster and destroy it

Unstable Mutation [Arabian Nights] Legacy of the Valiant if this card battles aSet: 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.