Artanis
30
18
Hero Power
Warp Gate
At the start of the game, choose from 2 Protoss minions to get after you buy 14 cards. (14 left!)
Tips
may be outdated
Mothership is generally the best Hero Power pick.
Finish Hero Power requirement ASAP — buy everything that effectively costs 1 gold (Sellemental, Enchanted Lasso).
Buy summon units like Harmless Bonehead to farm 2+ progress per turn.