With protection from both white and black, most of the targeted removal that your opponents will want to use to get rid of Ureni are just off the table
1 Greta, Sweettooth Scourge
Just like the guy in charge of programming, some of you may think these cards are great, and some of you might think these are the worst cards in history
Lady of War: Several, not counting the player's ability to make female Generics into this: Agrias Oaks, Holy Knight and commander of the Lionsguard (personal bodyguards of the Royal Family.) Meliadoul Tengille, Divine Knight and daughter of Folmarv
So that's why Ajani, Mentor of Heroes is so valuable
The name of the card is also imposing, the art is beautiful, and the flavor text is dangerous and foreboding in a way that keys the audience in on the abolishment edict to come