Basically, Jeskai Flashback has the potential to end up as a powerful but somewhat risky (thanks to the reliance on the graveyard) control deck when fully upgraded
You do need to tailor the deck to contain the Necro but once you can support it it gives you immense power
I dont think itll hold a premium price, but itll probably be interesting in games
It means every fetch Land, cycling Cand, or sacrificed utility Land becomes fuel for future turns
In the same block, Dragons Maze has a few populate cards and some populate support
Id just gotten into Magic a year and a half back, and upon realising how expensive the game was and being a twelve year old with no source of income, I took two paper-run routes around my house and spent two hours every Wednesday and Friday before school delivering the local paper to save up enough money