MUGEN Reverberate!

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