You'll be discarding and drawing cards almost every turn with Sauron, so include creatures like Chasm Skuler, which grows when you draw cards, and Archfiend of Ifnir, which will punish your opponents when you discard
The Banishing Light effect may be balanced for Limited and some Constructed formats, but in many formats, its simply not good enough either because the ways to get around it are too easy or numerous, or because taking a turn off to play an enchantment without playing a creature is too big a tempo loss
This will teach you which cards are crucial to the deck and which ones you can substitute based on personal preference
Im not trying to suggest that Gladiolus is on the same level as Golos who has a five-color identity and an absurd activated ability but Gladiolus is definitely strong
*Buy Kynaios and Tiro of Meletis cards on eBay and TCGPlayer Zedruu the Greathearted Commander 2011, Mythic Rare Zedruu is the chaos gremlin of the group
