Plus, it has an outlet to draw a card whenever we spend that energy
Try out "Tutorial Mode" to get a handle on the basic rules of the game, and then start playing for yourself in "Free Battle Mode"
For example, if you mill a card while your graveyard is animated, the milled card doesn't enter the battlefield
Even if the set saw a price increase of 10% or 15% across the board, it would still just put the box near the break-even point, and expecting a 30% increase to get the expected value up near $110 is probably not reasonable, since the current prices don't look extremely far-fetched (like they did with Dragons of Tarkir , for example)
#5 Spooky Sight (Enchanted) Speaking of its hard to get much spookier than Spooky Sight itself
Or, make your card out of good old-fashioned pen and paper