It also works well if youre playing lots of colorless artifact creatures or Eldrazi
(The same older printings of this card also fail to reference the "battle" card type, which didn't exist at the time, but Tarmogoyf's ability still counts that card type.)
Im less impressed if you cant do anything with the graveyard, but Id always consider this when building Izzet decks
If youre doing something to constrain peoples mana or are serious about ending the game quickly, this might be what you want, but in my experience, cEDH games go long a lot more than people realize and I dont love to rely on Spell Pierce
She's both a sword and a shield, and can swing the whole tide of battle
Its not very hard at all to get a prize, and some stores give out extra prizes that are left over