Velma Dinkley

{3}, {t}, Investigate: Create a colorless Clue
artifact token with {2}, Sacrifice this artifact:
Draw a card.
Whenever you Sacrifice a Clue artifact, add {1}, Investigate: Create a colorless Clue artifact
token with {2}, Sacrifice this artifact: Draw a card.
{2}, {ut}, Scry 2
Whenever you Scry, Surveil 2.