Key to the Archive 
Artifact
This artifact enters tapped.
When this artifact enters, draft a card from this artifact's spellbook, then discard a card.
: Add two mana in any combination of colors.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL