The Knight

Ancient Mask-The Knight can't be affected by spells or abilities your opponents control.
Focus-{ut}:Put a +1/+1 counter on The Knight.
Shade Soul-{b}{b}{p/b}: Deal 2 damage to up to 3 target creatures. Shade Soul can only be used anytime you could cast a sorcery and only once per turn.
Shade Cloak-Pay 2 life {b}{b}: Return The Knight to your hand from the battlefield.
SteelSoul Mode- When The Knight dies exile it instead of putting it into graveyard. Also exile the top 5 cards of your library you may