MatsOle: Mythos of Nethroi is a good card, but Junk never played Vindicate before, so is instant speed that important
See our full guide on Building a Standard MTG Deck or if youre into Commander, then see our How to Build a Commander Deck guide
If youre playing green in EDH and your commander has anything to do with +1/+1 counters, include this card in your deck, its that simple
Making two 1/1 flying tokens by paying 2 mana on the flashback is very good, and it gets around edict effects like a boss
That's probably why WotC leaned towards Treasure: Gold allows you to double-dip in case some other effect requires you to tap permanents (because you can tap your Gold to pay for that other effect, and then still sacrifice the Gold for mana in the same turn)
An Equipment that's also a creature can't be equipped to anything unless it has the reconfigure ability