Strike of Singularity 358 (Radiant Origins)

[Class Bonus] As long as the attacker is attacking a unit controlled by a player with no cards in their hand, Strike of Singularity has "If this attack would deal damage, it deals double that damage instead."

NM - $2.00
LP - $2.00
MP - $2.00
HP - $2.00
DMG - $2.00