A spell with X in its mana cost, where X can be any amount of mana you choose to pay. Cards like Fireball (deal X damage) and Sphinx’s Revelation (draw X cards, gain X life) scale in power based on how much mana you invest.
A spell with X in its mana cost, where X can be any amount of mana you choose to pay. Cards like Fireball (deal X damage) and Sphinx’s Revelation (draw X cards, gain X life) scale in power based on how much mana you invest.