Physical Training (Blast Ace Box Topper)

[Main] Reveal the top 2 cards of your deck. Add 1 yellow 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 yellow Digimon card in your hand for its digivolution cost. When it would digivolve by this effect, reduce the cost by 2.
[Security] [Security] Place this card in the battle area.