Tachi's Ability Kiwame

[CONT]:You cannot ride a unit with a different card name from your vanguard. [CONT]:All of your cards with the same card name as your vanguard become Grade 3/[Power] 13000/[Critical] 1 units with "Twin Drive", "Persona Ride", and all of the following. ・[AUTO](VC):At the beginning of your battle phase, reveal the top card of your deck, choose one of your opponent's rear-guards and retire it if the revealed card is a trigger unit, and discard the revealed card if it is not. ・[AUTO](VC)[1/turn]:At the end of the battle this unit attacked, [COST][Counter-Blast 2], [Stand] this unit, and it gets drive -1 until end of turn.