Seiryuu's Command is a Grand Archive card. Compare listings from Singapore Grand Archive sellers on CardJio, then jio them on WhatsApp.
Type
Action
Subtype
Tamer / Skill
Class
Tamer
Element
Arcane
Reserve cost
2
Speed
Fast
Card Text
As long as you control an arcane element Shenju ally, ignore this card's elemental requirements as you activate it.
Until end of turn, whenever target Beast attacks, trigger all of its on attack abilities twice.