Having all sorts of version upgrades allowed is the privilege of a rookie.
[AUTO] Forerunner
Burst -[ACT](RC) Generation Break 1 : [[Rest] this unit] If your vanguard's [Power] is 25000 or greater, choose one of your units, and it gets [Power]+4000 until end of turn. If your vanguard's [Power] is 35000 or greater, you may put this unit into your soul. If you do, draw a card, and Counter Charge (1).