There's a dwarf that can disenchant - which could be neat if dwarf typal decks get a big boost in the Hobbit set - and a Soul Sister frog
(2024-06-07) Energy counters are a kind of counter that a player may have
Simply open two Jumpstart Boosters, shuffle them together, and start tapping and casting
Theres enough of them to make a theme deck for Pioneer or Explorer, but I doubt it would be very playable (although by adding just Card not founds and Card not foundes you could definitely steal some games).
In Standard, frankly, Dark Confidant might not see play
It functions almost like a legendary sorcery in that you need to control a legendary creature, but with the Ring tempt at the start of the effect and Commander's color identity, this is essentially a Grim Tutor with upside rather than life loss