Dark Valkyria is a Common Gemini Monster card from Yu-Gi-Oh! (Warriors' Strike Structure Deck, SDWS). Current market price: $0.11.
Common
Warriors' Strike Structure Deck (SDWS)
Card Text
This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is a Normal Monster on the field, you can Normal Summon it to have it become an Effect Monster with this effect.
● Once, while this card is face-up on the field: You can place 1 Spell Counter on it. This card gains 300 ATK for each Spell Counter on it. You can remove 1 Spell Counter from this card, then target 1 monster on the field; destroy that target.
