Powerbalance checks off all the relevant boxes for me: its a callback to an awesome card from years past, it forces interaction (in other words, makes me have to pay attention to the game), it gives you free stuff, and it allows for fun top-deck manipulation
Red, white, blue, and colorless all have about the same number of cards, while green has about half that number, and black halves it once again
Graded Population Report: Dark Dragonite [1st Edition] #22 Visualize the distrbution of grades in the chart
As a creature, Dark Confidant not only refills your hand but also pressures opponents on the board
Variations: Warren Soultrader and a source of lifegain can replace Pitiless Plunderer
Have you seen Loyal Drake that will draw you a card when you control your Commander for one free trigger each turn that counts as a Drake