Horizon Stone (CMR) #315 [EN/F]

{5} · Artifact · If you would lose unspent mana, that mana becomes colorless instead. · Kruphix once dreamed that he traveled beyond the edge of the world to an unfamiliar land. Curious, he picked up a rock, and awoke to find it had followed him from the dream into reality. · Illustrated by Noah Bradley · Commander Legends #315 · EDHREC rank 4042 · Magic: The Gathering, MTG