Augustus, Fabled Pearl Diver

Vanishing 3 (This creature 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.)
Whenever a nontoken, nonland permanent leaves
your battlefield, Scry 1 and create a Treasure
token. (It's an artifact with "Tap, Sacrifice this
artifact: Add one mana of any color.")
If Augustus, Fabled Pearl Diver were to die, exile
them, then return back to the battlefield
transformed.