Sustainable lore gain can be achieved through clever use of low-cost item cards like Spaghetti Dinner
In their place, we've got strong ways to dump our library into our graveyard (like World ShaperWorld Shaper), a few second-rate tutors (like Vivien, Monsters' AdvocateVivien, Monsters' Advocate), and even a new piece of bear-themed removal (Ulvenwald TrackerUlvenwald Tracker)
Even then, the cards that get played in multiple decks usually demand the highest prices, not cards specific to one strategy
Click here to see the showcase card treatment Showcase The Space Family Goblinson (UNF) In each case, the traditional card was done by an artist
IDW Publishing also had a surprise switcheroo on its Magic: The Gathering inserts, as it switched the cards that it and Wizards of the Coast had announced as inserts in its Magic: The Gathering #3 and #4 issues
Regal Bloodlord The cmc is too expensive to be great, but that aside Regal Bloodlord is a pretty decent token engine in a Lifegain deck