Rusted Curator

Vanishing 3 (This permanent enters the battlefield
with 3 time counters on it. At the beginning of your
upkeep, remove a time counter from it. When the last
is removed, sacrifice it.)
{1}, {t}: Investigate (Create a colorless Clue artifact
token with "{2}, Sacrifice this artifact: Draw a card.")
Whenever you sacrifice an artifact,
put a time counter on Rusted Curator.