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
Samwise the Stouthearted Samwise the Stouthearted takes on the support role fully, returning a permanent that entered the graveyard this turn to your hand, then the ring tempts you
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
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)
For Duskmourn , that was Annie Sardelis
I actually dont think that General Kreat offers much as a commander, but shell go great in the 99 of decks such as Krenko, Mob Boss or Purphoros, God of the Forge that are already looking to throw massive amounts of tokens onto the battlefield to finish off opponents