While both measurements are valid, light paper stocks are traditionally measured in weight, whereas heavy paper stocks are measured in thickness
There are four factions available in the crossover Imperials, Necrons, Chaos, and Tyranids and these have been matched to four of the default colours from Magic: The Gathering (white, black, red, and green) with adaptions to suit the tabletop playstyle of the miniatures game
Oh, and elking isnt a destruction effect, meaning that very few (if any) protective layers will prevent it
This has the added benefit of making sure your opponent cant win the game with that card, should it be a key to their victory
Big Score + Unexpected Windfall These rather expensive rummagers find their value in those shiny Treasure tokens they create