Serperior (13/149) (Cosmos Holo) (Blister Exclusive) [Black & White: Boundaries Crossed] SM49 At the beginning of your

At the beginning of your upkeep

Create a token that's a copy of that card

Damage that would be dealt by Rok can't be prevented

Set: Promo Finish: Cold Foil - Golden Type: Equipment Subtype: Chest Rarity: Promo Class: Ice Cost: 0 Once per Turn Action - [1 Resource]: Cards and activated abilities cost opposing heroes an additional [1 Resource] this turn

Set: XY: Black Star Promos Type: Dragon Rarity: Promo Retreat cost: Colorless

Serperior (13/149) (Cosmos Holo) (Blister Exclusive) [Black & White: Boundaries Crossed] SM49 At the beginning of yourSet: Black & White: Boundaries Crossed Type: Grass Rarity: Holo Rare Retreat cost: 1