The fullest exploitation of Howling Mine was implemented in the first Pro Tour by Mark Justice
The Base Set came in four different printings, and the value of a card can vary depending on which printing run it comes from
Cards at 3 Star cost 1,500 points, demanding the opening of 300 packs, and Crown cards cost 2,500 points, meaning 500 packs
This has me interested in a Colorless or Colorless-White Ramp deck
To account for the hidden costs of selling cards, we'll deduct 15% for fees and shipping, which is roughly what you'd pay to eBay or TCGplayer to sell cards through their markets
Phasings replacement, flicker, was also used in this role on cards like Momentary Blink but due to the increasing prominence of enters- and leaves-the-battlefield triggers, those cards often turned into over-balanced value engines or combo enablers