Key to the Archive enters the battlefield tapped. When Key to the Archive enters the battlefield, draft a card from Key to the Archive's spellbook, then discard a card. : Add two mana in any combination of colors. Key to the Archive's spellbook includes the following cards: • Approach of the Second Sun • Day of Judgment • Time Warp • Counterspell • Demonic Tutor • Doom Blade • Lightning Bolt • Claim the Firstborn • Krosan Grip • Regrowth • Despark • Electrolyze • Growth Spiral • Lightning Helix • Putrefy