Wizards of the Coast is doing this because Commander Masters is a Limited-based Commander product, designed from the ground up for players to build mini-Commander decks from only a few packs
Warriors Sword Rating: 1/10 A vanilla 4/3 for 4 mana is a pretty terrible base rate for this card, and 5 mana to equip is unreasonably expensive
Its longevity and devoted player base have kept it going strong for decades
Then you try to explain why and what problems you found, in a constructive, funny (if you want) but polite way
My Verdict: Tempo shifts often decide matches, and this leader embodies that truth
You can also use Rescue Rabbit to make use of Normal Monsters, who Special Summons monsters from the Deck, allowing you to use monsters for an Xyz Summon or to Special Summon Fortress Whale