Heaven and Earth Combination, Triearth (G-EB03/030EN) [The GALAXY STAR GATE]

[Stride]-Stride Step-[Choose one or more cards with the sum of their grades being 3 or greater from your hand, and discard them] Stride this card on your (VC) from face down. [ACT](VC)[1/Turn]:[Choose a face down card from your G zone, and turn it face up] Until end of turn, this unit gets [Power]+10000, and"[AUTO](VC):When this unit's attack hits a vanguard, for every this unit's [Power] 20000, choose one of your opponent's rear-guard, and retire it.".