Glistening Extractor {2}{U}{B}
Artifact
Glistening Extractor enters the battlefield with four oil counters on it.
At the beginning of your upkeep, if there are one or more oil counters on Glistening Extractor, seek a card with mana value equal to the number of oil counters on Glistening Extractor, then remove an oil counter from Glistening Extractor.