They are also all combat-oriented, and specifically as an attacker, which is awesomebecause there are so many disincentives for attacking in Commander, I love to see mechanics like this that support entering combat
Mind Lash
Furthermore, Roxanne, Starfall Savant has a second ability that says, Whenever you tap an artifact token for mana, add one mana of any type that artifact token produced. Players may choose Roxanne, Starfall Savant as a commander for a Treasure-themed deck because its second ability triggers when activating a Treasure tokens mana ability
Mana Geyser and Seething Song can provide a huge rush of mana to execute a big turn, hopefully involving casting Themberchaud
WardSacrifice three nonland permanents
There are obviously ways for you to still lose after doing this, but its going to be difficult