An Aura put onto the battlefield this way doesn't target anything (so it could be attached to a permanent with shroud, for example), but the Aura's enchant ability restricts what it can be attached to
Cannon Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
That said, most players opt to run Kotis as a Voltron commander, suiting it up with cards like Rancor and Aqueous Form to guarantee steady damage and card advantage
It can go in any color deck, making it versatile enough to not immediately be ruled out as a potential staple, and it synergizes with weird, unfair lands that 12 year old me loved because they produced a ton of mana and 38 year old me loves because they still produce a ton of mana and they stopped making new Cloudposts because they were broken
Obviously, Buster Sword definitely has potential for shenanigans and value within any Equipment-based deck
Rashmi and Ragavan Rashmi and Ragavan is a fun way to steal your opponents favorite cards