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Mental Training [P-104] (Blast Ace Box Topper) [Promotional Cards]
Set: Promotional Cards Card type: Option Rarity: Promo Play Cost: 2 [Main] Reveal the top 2 cards of your deck. Add 1 blue card among them to the hand. Return the rest to the bottom of the deck in any order. Then, place this card in the battle area. [Main] [Delay] (After this card is placed, by trashing it the next turn or later, activate the effect below.) • 1 of your Digimon may digivolve into a blue Digimon card in your hand for its digivolution cost. When it would digivolve by this effect, reduce the cost by 2. [Security] Place this card in the battle area.