Blackblade Reforged (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] 30th Anniversary Promos "He Thought Twice

"He Thought Twice

you can either: Target 1 monster on the field

Decrease the ATK of this card by 500 points during each of your End Phase

Neither player can activate monster effects in response to this card's activation

Then if this is the second time this ability has resolved this turn

Blackblade Reforged (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] 30th Anniversary Promos "He Thought TwiceSet: The Brothers' War Retro Artifacts Type: Legendary Artifact Equipment Rarity: Rare Cost: {2} Equipped creature gets +1 +1 for each land you control. Equip legendary creature {3} Equip {7} "Tempered in the blood of ten thousand sacrifices? Superstitious drivel." Mishra, note to his researchers