This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is face-up 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 to target 1 monster on the field; destroy that target.
![Dark Valkyria [BP01-EN152] Starfoil Rare | L.A. Mood Comics and Games](http://lamoodcomics.ca/cdn/shop/products/b200a365-c4aa-5487-a2c3-59a441cfda2e.png?v=1707423901)
