This is because of the lands with cycling
Eventually we assemble a combo like Vadrik, Astral Archmage + any R generator like Storm-Kiln Artist + Searing Touch for infinite damage, or Electrodominance copied with Reiterate (w/ buyback) for infinite damage
If your foe does not block it, that's it
This makes Shadowspear a great tool to slot into equipment packages, Trinket Mages bag of tricks, or simply as a silver bullet to deal with specific metagames
Land Color tag templates(None) Forest Basic Land - Forest Color tag templates(None) Griffin Canyon : Add
This not only means that you can come up with more or less standardized prices for each bulk pile, but youll also avoid the pitfall of stuffing too many rares (or accidentally putting new, high-demand Pokmon card types) in one bulk package and undercharging