Basilisk Collar (1920) (Rainbow Foil) [Secret Lair Drop Series] HER006-P prevent 1 arcane damage that

prevent 1 arcane damage that source would deal

Whenever a hero reveals a card

Set: Base Set 2 Type: Grass Rarity: Holo Rare Retreat cost: Colorless

Set: XY: Generations Type: Colorless Rarity: Promo Retreat cost: Colorless

Basilisk Collar (1920) (Rainbow Foil) [Secret Lair Drop Series] HER006-P prevent 1 arcane damage thatSet: Secret Lair Drop Series Type: Artifact Equipment Rarity: Rare Cost: {1} Equipped creature has deathtouch and lifelink. (Any amount of damage it deals to a creature is enough to destroy it. Damage dealt by this creature also causes you to gain that much life.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.) That collar isn't an accessory it's a warning.