The commons and uncommons target Limited play, many of them being role players in Modern, with cards like Path to Exile, Electrolyze, and Grapeshot being examples
It is mind-blowing good
This means that beneficial Auras need to be so good that they are worth the risk, offer card advantage, or recur themselves
You can always head to Reddit, with the thriving r/custommagic community welcoming every design, from the meme-iest joke cards to the most serious attempts at making something that could conceivably be a Magic card
Creatures (31) 4 Venerable Knight 4 Faerie Guidemother 3 Giant Killer 4 Garrison Cat 4 Selfless Savior 4 Luminarch Aspirant 4 Clarion Spirit 4 Usher of the Fallen Lands (19) 19 Plains Spells (10) Clarion Spirit is a natural fit for the go-wide Mono-White Aggro decks like the one that briefly popped up at the end of the Temur Reclamation era
Aku, City of Hidden Graves / Aku, City of Lost Kings / Aku, welcome me. Pillar tomb inscription Illustrated by Terese Nielsen Part of the Reserved List Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp