Dr. Doom, Ruler of Latveria

Eminence - As long as Dr. Doom, Ruler of Latveria is in the command zone or on the battlefield, whenever you cast an artifact or enchantment spell, you may draw a card and lose 1 life.
Whenever Dr. Doom, Ruler of Latveria deals combat damage to a player, that player discards a card and you may return target artifact or enchantment card from your graveyard to your hand.
Master Tactician:{2}{u}{g}, {t}: Gain control of target artifact or enchantment until end of turn. Untap it. It gains