The Inner Flame

Put the top three cards of your library into your graveyard. If there are fewer than ten instant and sorcery cards in your graveyard, return The Inner Flame to its owner's hand. Otherwise, Add {r}{r}{r}{r}{r}.
With a fiery epiphany, Xarion realized that his own inner flame--his passion for research, for red mana, for the plane, could fuel the spell. An unfamiliar power flowed through him, and magical fire lit a dark corner of Kaldheim for the first time in centuries.