Malcolm, the Eyes 

Legendary Creature — Siren Pirate
Flying, haste
Whenever you cast your second spell each turn, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
Legality
standardLEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL