Option

[Main] Reveal the top 2 cards of your deck. Add 1 yellow card among them to your hand. Place the rest at the bottom of your deck in any order. Then, place this card into your battle area.
[Main] ＜Delay＞
・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.