Hard Evidence 
Sorcery
Create a 0/3 blue Crab creature token.
Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL