Kangaskhan is a suitable candidate for this purpose, dealing some very solid damage with Dizzy Punch, which only requires one Energy to be attached, but relies on a coin flip, dishing out 30 damage each time one of the two flips is successful
Its well costed for the size, has evasion, is a Rogue and can make you more Sol Rings when it hits
This lets you counter a target spell that targets a permanent you control
You can find something awesome to do with Roaming Throne in Commander, Im positive, even if its just trying to make mill happen
You will know at a glance whether a "rare" pull is a genuine chase or a common in a shiny coat, and you will stop overpaying for parallels
Or, if you prefer to jump through a lot of hoops, try out Kosei, Penitent Warlord