Mana Resonance 130 (Abyssal Heaven)

[Class Bonus] This card costs X less to activate, where X is the highest reserve cost among Spell cards your opponents control on the effects stack. Draw a card. Then if no cards were reserved into your memory to pay for this card's reserve cost, draw an additional card.

NM - $1.00
LP - $1.00
MP - $1.00
HP - $1.00
DMG - $1.00