Runaway Steam-Kin [Guilds of Ravnica Prerelease Promos] Standard Set: Mercadian Masques Type: Instant

Set: Mercadian Masques Type: Instant Rarity: Rare Cost: {3}{U}{U} You may exile a blue card from your hand rather than pay this spell's mana cost

nonland card from your hand

The cube's surface is pockmarked with jagged runes that seem to shift when unobserved

if that spell's mana cost is {3}{U}{U}

Runaway Steam-Kin [Guilds of Ravnica Prerelease Promos] Standard Set: Mercadian Masques Type: InstantSet: Guilds of Ravnica Prerelease Promos Type: Creature Elemental Rarity: Rare Cost: {1}{R} Whenever you cast a red spell, if Runaway Steam Kin has fewer than three +1 +1 counters on it, put a +1 +1 counter on Runaway Steam Kin. Remove three +1 +1 counters from Runaway Steam Kin: Add {R}{R}{R}.