There Can Be Only One [DUDE-EN053] Ultra Rare Stardust Accelerator Promos Increase the ATK of this

Increase the ATK of this monster by 300 points for each Spell Counter on this card

or if it is a Spell/Trap Card

and this card gains the same effects as that monster

Set: Black & White: Boundaries Crossed Type: Water Rarity: Common Retreat cost: Colorless

As long as this card remains face-up on the field

There Can Be Only One [DUDE-EN053] Ultra Rare Stardust Accelerator Promos Increase the ATK of thisSet: Duel Devastator Card type: Continuous Trap Rarity: Ultra Rare Each player can only control 1 monster of each Type. If a player controls 2 or more monsters of the same type, they must send some to the GY so they control no more than 1 monster of that Type.