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)
Elesh Norn, Grand Cenobite | Illustration by Igor Kieryluk A vigilance card is any card that has native vigilance, grants vigilance to another creature, or creates tokens with vigilance
Your Basic Pokmons attacks do 30 more damage to your opponents Active Pokmon (before applying Weakness and Resistance)
(I know, ramping is not the best thing to do when you already have a lot of mana, but its better than nothing, and it also lowers your chances of drawing more lands.) Besides, these are artifacts, and there are plenty of ways to leverage them in other ways in the set
Priest of Forgotten Gods Requiring two pieces of sacrifice fodder is a pretty steep cost, but Priest of Forgotten Gods pays dividends with its ability