Like most Magic: The Gathering cards, the value of Opt depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Foundations Jumpstart)
You typically have to deal 30 or even more damage to win these bigger fights, and that's just out of reach for an aggro deck to consistently do
Showing up in a Commander precon would hurt its value, but otherwise there is only upside here
For example, Bodyguards do not protect locations and Rapunzel - Gifted with Healing cannot heal locations
It has quickly earned a reputation as a staple of competitive Standard, and even sees play in Pioneer, Modern, and Vintage
Both are legendary in more than name, with The Masamune giving first strike when attacking and forcing a foe to block, while also giving double triggers for creatures dying