Meria, Scholar of Antiquity 
Legendary Creature — Elf Artificer
Tap an untapped nontoken artifact you control: Add .
Tap two untapped nontoken artifacts you control: Exile the top card of your library. You may play it this turn.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL