Sword of Light and Shadow

Flying, protection from black Echo 3WW (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, return target creature card from your graveyard to the battlefield.

T: Add W. T: Return target legendary creature to its owner's hand.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) T: Add G, W, or U.

Horsemanship (This creature can't be blocked except by creatures with horsemanship.) Sacrifice Xiahou Dun: Return target black card from your graveyard to your hand. Activate only during your turn, before attackers are declared.

R: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

Counter target instant or sorcery spell unless its controller pays 1. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

T: Add one mana of any color in your commander's color identity.