Cut a Deal + Secret Rendezvous + Your Temple Is Under Attack Has Richard from the MTGGolfish Podcast done enough to convince you that these cards are great for Commander yet
Heres the part that makes him awesome, that life loss trigger fires on any land you discard, not just the connive, so every other discard outlet in the 99 quietly becomes a drain spell
One Treasure token per spell doesn't seem like much until you realize how many instants and sorceries only cost one or two mana, making them practically free while Storm-Kiln Artist is in play
Lost technologies such as the clockwork behind the Antikythera mechanism point to how fragile new discoveries could be in the face of war and social upheaval
The Equipment can also be unattached at any point to deal damage to multiple targets, allowing you to always have a source of removal so long as you have three mana to spend
While enchantments are fairly easy to destroy, especially with cards similar to the ones above, it adds an extra step to the process for your opponents barring mass land destruction like Armageddon, which can be really helpful if you have a land in play that taps for more than one mana when you use it
