Super Cosmic Hero, X-tiger (RRR)

[Stride](Released when both players' vanguards are grade 3 or greater!)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.
[AUTO](VC):[Choose a face down card from your G zone, and turn it face up] When this unit attacks a vanguard, you may pay the cost. If you do, this unit gets [Power] +4000 for each face up card in your G zone until end of that battle. If this unit's [Power] is 45000 or greater, this unit gets [Critical] +1 until end of that battle.