Runaway Steam-Kin [Guilds of Ravnica Prerelease Promos] Alpha Edition you may petition to have

you may petition to have them returned

return that card to the battlefield under your control if it's a Samurai card

It has "Sacrifice this creature: Add {C}

Set: Rise of the Eldrazi Type: Legendary Creature — Angel Rarity: Mythic Cost: {2}{W}{W} Flying

Runaway Steam-Kin [Guilds of Ravnica Prerelease Promos] Alpha Edition you may petition to haveSet: 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}.