2/2, flying, vigilance is a great starting point, and stapling the latest iteration of Thirst onto it seals the deal
Avatar s adorable Uncle Iroh art thankfully does not drive up this cards price, so take your pick, and Iroh is not for you, go for classic art in the original Mirage one
Gluttonous Troll, on the other hand, is a 4-CMC 3/3 creature that creates one Food Token per opponent you have when it enters, so three in Commander
Urzas Incubator (MH3 foil $10) The regular frame foil is half the price of every other version, and with the coming emphasis on kindred decks, its a good a time as any to stock up
Its certainly not impossible, and Id wager this was WOTCs plan