It has a very special ability that forces the player's opponent to discard all of their Special Energy cards
This card adds another useful piece to the puzzle, functioning as yet another Amulet effect, or more accurately, a Spelunking variant, that you can tutor for with Summoners Pact or Green Suns Zenith
Muerra's first ability is not a mana ability
You can also use this trick to get Roar of the Wurm in the right place and then cast it on the first tun
The higher value reprints and new cards make up a decent chunk of the decks value, but the rest of the deck is also full of cards valued between $1 and $3, so its a good place to start if you want to pick up some solid Commander cards
My favorite deck to play is technically a Naya enchantress deck a red-green-white strategy built around enchantments but in practice its really just a Final Fantasy summoner deck