Shadowstrike is a Grand Archive card. Compare listings from Singapore Grand Archive sellers on CardJio, then jio them on WhatsApp.
Type
Attack
Subtype
Assassin / Dagger
Class
Assassin
Element
Umbra
Reserve cost
2
Power
4
Card Text
Prepare X. X can't be 0.
As long as Shadowstrike was prepared, Shadowstrike get +X POWER.
[Class Bonus] As long as Shadowstrike was prepared, it has unblockable. (An attack with unblockable can't be intercepted and ignores taunt.)