Star-vader, Infinite Zero Dragon DZ-BT15/009 RRR

[CONT]:If you have a vanguard with "Star-vader" in its card name, this card gets "Intercept", all of the following, and [Shield]+10000. ?[AUTO]:If your damage zone has four or more cards, or you persona rode this turn, this cost can be paid with "Soul Blast (2)", and if you do, when you would choose rear-guards with this ability, choose up to two rear-guards instead of one. When this unit is placed on (RC), COST [Soul Blast (1)], choose one of your opponent's rear-guards, and lock it. At the end of that turn, unlock the cards locked by this ability. ?[AUTO](RC):When this unit attacks, if your opponent has one or more locked cards, this unit gets [Power]+5000 until end of that battle. If they have two or more, it gets [Power]+10000 instead of +5000. ?[AUTO](RC)1/Turn:When your grade 3 or greater vanguard attacks, if your rear-guard did not [Stand] by the ability of your card with the same card name as this unit this turn, COST [Energy Blast (3)], and [Stand] this unit.