While that idea stayed the same, the shape of job select changed a lot throughout the design process
Gaea's Blessing (T1, Ext, S, Block) Technically a cantrip, Gaea's Blessing puts your best cards back into your deck (or your opponent's cards into his deck), plus gives you a chance to draw them back
More text tends to mean that more about a character can be conveyed, and thus, my picks on this list tend toward the rare, super-rare, and legendary
It seems better-suited for artifact decks than Cataclysmic Gearhulk, which often eats up a bunch of your material with its effect
In short: it's a card with a fairly low floor but a seriously high ceiling
Some craft cards are even more demanding, be it on the mana cost or in craft material requirements