Auras are one of the best ways to grow the Champion, since they'll make it an insurmountable threat on top of the +1/+1 counters
I've also focused on cheap protection for Cloud like Loran's Escape, and something that nobody really talks about is Green's "draw cards equal to power" which is bananas here like Hunter's Insight which is easily a 3 mana draw 7+, I find it kinda silly that all the precon guides are focusing on more expensive and less efficient draw options like Sram, Senior Edificer or even Sword of Fire and Ice when you can just out-value all of that with cards that are less than a dollar
it offers you so much value that it's best to think of it as an enchantment that costs no mana, at the expense of skipping a land-drop for the turn
The flipped land provides great utility and is at least mildly on theme
Unlike other affinity-colored ultimatum cycles, it has no connection with the number 5
Lolth, Spider Queen There is a lot of Dungeons & Dragons lore about Lolth, and part of that is that she's mother to some drow goddesses