As a result, it has become a broken card that produces ridiculous ads
Punishing Damage: Whereas Incremental Damage is often triggered by your efforts, other forms hurt opponents whenever they make certain plays (Cemetery Gatekeeper, Harsh Mentor, Eidolon of the Great Revel, Zo-Zu the Punisher, Manabarbs), limiting their choices in what plays can be safely made as the game progresses
I think you are taking scarcity to mean the same as supply, which I am not doing
(If it is unclear which is the matching card, use the encounter numbers to help guide you
singles allows you to target specific high-rarity variants like Secret Rares or Ultra Rares
It matches the attacking power: Solarbeam does 80 for 3 Energy attachments as long as one of them is a Double Colorless Energy