Sho, the lost brother

Haste, double strike
Sacred flame:{r}{b}{w} Tap Sho, deal 3 damage to opponent creature or plainswalker. If the damage is dealt successfully a creature, it also gains stun.
After then light:{3}{r}{w}{b} tap Sho and retrieve one creature with any of the mana colors show possess from your library. that creature must attack this turn. Shuffle your library