Dragonborn Champion is fine for helping you draw cards, but you need a way to reliably deal at least five damage to a player (probably with another dragon with flying)
Youll tune the sweeper by paying life, so you can allow your 4/4 to live while sweeping small creatures only, which you cant do as easily with a traditional Wrath of God
Rogue's Passage and Access Tunnel are great utility lands for us, since they can make it safe to swing with Arabella
While Alesha can give itself +1/+1 counters, cards like Feast on the Fallen and Necropolis Regent can get extra counters on it in order to make the stats bigger quickly
On top of that, Tazri offers a ton of support to a dedicated Allies deck, too
Still, though, over $2,000 for a 0/1 creature with flying is still a pretty spectacular price point befitting a card that is truly synonymous with the type