While NM copies can be had for around ten dollars, this card continues to sell well, climbing up toward the $20 mark when in nearly pristine condition
Anything I missed or that you forgot about
Commander decks built around Rhys the Redeemed, for example, have good use for Selesnya support cards like Rite of Harmony
While it's not a popular mechanic, it still sees its share of play in some decks that run those colors
General Kudro, specifically, would have been such a nice inclusion in this deck - or even its commander

Section 4 Summary Input: One playing of Rust Tick Output: Lots of reuse of Thran Dynamo, Mirror of Fate, and Rings of Brighthearth Layer count: For each Clash of Realities on a new Mimic Vat, for each Guilty Conscience on Mimic Vat, for each Rite of Passage putting counters on Mimic Vat, for each Doubling Season on the Rite of Passage counters added to Mimic Vat, for each Rings of Brighthearth on Sinking Feeling's ability while it's attached to Mimic Vat, for each Rings of Brighthearth on Mimic Vat's ability, for each Clash of Realities on Rust Tick, for each Guilty Conscience on Rust Tick, for each Rite of Passage putting counters on Rust Tick, for each Doubling Season on the Rite of Passage counters added to Rust Tick, for each Rings of Brighthearth on Sinking Feeling's ability while it's attached to Rust Tick, for each Rings of Brighthearth on Rust Tick's ability, for each Grip of Chaos, for each Psychic Battle...14