Chrome Mox [Eternal Masters] Human Artificer if Runaway Steam-Kin has fewer

if Runaway Steam-Kin has fewer than three +1/+1 counters on it

Set: Commander 2014 Type: Creature — Spirit Rare Cost: {3}{B} Extort (Whenever you cast a spell

Set: Portal Three Kingdoms Type: Sorcery Uncommon Cost: {G} Put target card from your graveyard on top of your library

/ Which tells us the way to go

Set: Commander 2011 Type: Instant Rare Cost: {U} Counter target instant or sorcery spell unless its controller pays {1}

Chrome Mox [Eternal Masters] Human Artificer if Runaway Steam-Kin has fewerSet: Eternal Masters Type: Artifact Mythic Cost: {0} Imprint When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand. {T}: Add one mana of any of the exiled card's colors.