Power Level Analyzer is a uncommon Artifact Creature — Construct card from Unknown Event (UNK), collector number UA05c. Current market price: $15.00, TCGplayer market prices via Scryfall.
As Power Level Analyzer enters the battlefield, you and target opponent each secretly choose a number between 1 and 10, then reveal. Power Level Analyzer enters with a number of +1/+1 counters equal to the distance between the two numbers. If both players chose the same number, put seven +1/+1 counters on Power Level Analyzer instead.