MUGEN Reverberate!

Play this if your vanguard is "Footprints of One "forte" Toko Kirigaya"! :When this card is put on , search your deck or drop for up to one "Dissonance of a Hollow World "forte" Mashiro Kurata", call it to , and until end of turn, it gets "Boost" and +5000. If you searched the deck, shuffle the deck. At the end of that turn, retire that unit. :When your vanguard attacks, 1, choose one of your rear-guards, and it. If your opponent's vanguard is grade 3 or greater, [discard a card with "Toko Kirigaya" in its card name from hand], choose one of your rear-guards, it, choose one of your vanguards, and it gets +10000/+1 until end of turn.