Inferno has traditionally kept to himself, troubling other dragons and the wider world little (except those who seek to violate his privacy)
I hadnt seen them before I started creating the list, but a few others have tried something in the same direction in the past, with various flavors (Gamekeeper Games, Gamekeeper Rock)
Keep detailed records of your collection, including card names, set numbers, condition assessments, and acquisition dates
I might regard first strike higher than most, but to trade up a creature or two is great
Further, these cards are actually slightly easier on your mana than tapped lands, in that you can actually play an untapped land and cycle them in your opponents end step, which means they play well with instantsyou can hold 2 mana up for a Glorious Gale and then land cycle in your opponents end step and play an untapped land on turn 3