James, shadows are people

Unblockable, Haste, Hexproof
Whenever James, shadows are people deals combat damage to an opponent choose one:
• Draw 2 cards, target player mills 2 cards.
•{u/b}{u/b}- gain control of target creature.
•{u/b}{u/b}{u/b}- exile target non-land card from a graveyard. While that card is in exile this way you may cast it. You may spend mana as if it were mana of any type to cast that spell.