Interdimensional Dragon, Ragnaclock Dragon (G-BT01/S08EN) [Generation Stride]

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):[Counter Blast (1) & Choose a face down card named "Interdimensional Dragon, Ragnaclock Dragon" from your G zone, and turn it face up] When this unit attacks a vanguard, you may pay the cost. If you do, until end of that battle, your opponent cannot call grade 0 cards from hand to (GC). Then, if the number of face up cards in your G zone is two or more, this unit gets [Critical]+1 until end of that battle.