Interdimensional Dragon, Epoch-maker Dragon

(Released when both players' vanguards are grade 3 or greater!)-Stride Step-[Choose one or more cards with the sum of their grades being 3 or greater from your hand, and discard them] this card on your from face down. :When this unit's attack hits a vanguard, you may choose one of your rear-guards, and bind it face up. If you do, search your deck for up to one grade 3 card, call it to , shuffle your deck, at the end of your turn, put the unit that was called with this effect on the bottom of your deck. If you put a card on the bottom of your deck this way, choose a card that was bound with this effect, and call it to .