secret rare pokemon cards price Pokemon Trading Card Game Celebrations Secret Rare Mew (Secret) #25

An ideal choice for Pokmon fans and collectors, this card is a testament to the artistry and intricate detailing that goes into each Pokmon card

Set: Black & White: Plasma Blast Type: Darkness Rarity: Holo Rare Retreat cost: Colorless

Whenever you cast a spell during an opponent's turn, you get an experience counter

Reducing potency may not be the easiest to do, but some considerations would be changing enchantments to creatures that do the same thing, or increasing the number of pieces in your value engine or infinite combo (a combo that needs six cards to function is easier to disrupt compared to another that only needs two cards)