Ambush Demon Stealth Fiend, Ushimitsu Train (G-BT03/032EN) [Sovereign Star Dragon]

Stride (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] Stride this card on your (VC) from face down. [AUTO](VC):When this unit's attack hits a vanguard, choose one of your rear-guards, search your deck for up to two cards with the same card name as that unit, call it to separate (RC), shuffle your deck, and at the end of that turn, put the units called with this effect on the bottom of your deck.