Senaris Six of Diamonds 241 (Radiant Origins)

Spellshroud, Stealth Cardistry — (6): The next three times a Suited Spell source you control would deal damage this turn, it deals that much plus 3 damage instead. This ability costs (1) less to activate for each Suited object you control with different reserve costs. Activate this ability only once.

NM - $8.60
LP - $4.80
MP - $5.20
HP - $3.50
DMG - $2.00