You have to split your attention across equipment, auras, and counters all at once, but you can prioritize equipment that grants counters, like Bone Sabres and Ring of Kalonia
Since she has flying and deathtouch, she can often keep more expensive stuff from attacking you with their big guns with flying like Consecrated Sphinx so your air force of Faeries can swing for two damage each that you made and she'll hold the fort
If you've been playing forever and have a bunch of old cards in a closet, it might be worth taking a look
With about 35 non-land cards in a typical deck and at least eight or 10 slots devoted to spells (and potentially even more for the legendary sorceries themselves), this means that way more than half of your non-land permanents need to be legendary, which seems like a pretty high bar to get over
From there you can spend your mana to kill your opponents with tons of the combo pieces like Makeshift Munitions, Hissing Iguanar, or Flamewave Invoker
The Masamune Rating: 4/10 Not a lot of creatures have a trigger thats compatible with The Masamune, but Sephiroth does, which I suppose is what its going for