Ultimately, we like to have fun making up cards, but we need to be careful that our fun typing things into our database doesn't take precedence over good playtesting procedures
If you play both Phylath and Avenger together, all of these Plants from Phylath will still get the counters from Avengers ability
Guide of Souls becomes stronger with other energy cards, but I wouldn't consider them a necessity, especially in Commander
They were on eBay for a very, very low starting bid
It's perfect here
A lot of the new cards in this deck bring plenty of support for the monarch theme: Denethor, Stone Seer, Archivist of Gondor, omer, King of Rohan, Champions of Minas Tirith, Forth Eorlingas!, Crown of Gondor, Fealty to the Realm, and Oath of Eorl all bring some much needed support for the archetype, and in varied and interesting ways