Erratic Cyclops [Guilds of Ravnica]

Set: Guilds of Ravnica Type: Creature — Cyclops Shaman Rarity: Rare Cost: {3}{R} TrampleWhenever you cast an instant or sorcery spell, Erratic Cyclops gets +X/+0 until end of turn, where X is that spell's mana value. "The League accepts no responsibility for former members and the damage they may cause." —Maree, Izzet chamberlain