Ideally, she'll want a tag team partner to give protection too, like Wall of Swords
Okay so the Cactuar is a bit of a meme card, its true
The four drop 2/3 Azorius one will force your foes to cast more stuff for a mana each, and then your Azorius colored stuff one fewer
Whether youre playing Harrow with Korvold or Flagstones of Trokair, or whether you have activated abilities or a lot of instants, or you just want to hold up interaction play more of this card
The life gain played by normal decks to sure up their matches against agro decks has to minimally impact the deck in their other match ups however in decks that are really abusing life as a resource such as Necropotence you typically need some life gain just to enable the continued use of your effects
There are many places where you can list your cards for sale: TCGplayer, Cardmarket ( for Europe), Cardsphere or Ebay