Moving into artifacts, Mox Diamond, Chrome Mox, and Lion's Eye Diamond all have zero casting costs, are easily recurred, and provide a huge leap in mana advantage
Running Body Launderer with a Panharmonicon and a sack outlet with a Sister Hospitaller/Karmic Guide, its a chefs kiss
My sense is that people REALLY want to be able to play Lutri and not feel like they're breaking the rules of Commander
Its the printing of new support cards which can cover these crucial areas of need which has triggered the discard deck renaissance, more so even than the quality of discard spells themselves
This is just too cool a card to have and its not easily replaceable
Trust me, understanding Pokmon card grading can make all the difference when it comes to making the most from your cards