Tartarus, Ruler of Depth

Eminence - As long as this creature is in the command zone or on the battlefield, blue spells you cast cost {1} less to cast, black creatures you control gains Lifelink and red creatures you control gains Haste.
Unblockable, Lifelink, Haste.
Whenever two or more spirit creature you control attacks, defending player exiles that many cards from the top of their library.