Archivist of Gondor 
Creature — Human Advisor
When your commander deals combat damage to a player, if there is no monarch, you become the monarch. At the beginning of the monarch's end step, that player draws a card.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL