The Simic are another Guild that I was never much a fan of, but Gatecrash hopes to turn my opinion around on them. I certainly find myself swayed by the early buzz. Until I've actually played with the cards, I can't say for sure, but I really think the Simic of Gatecrash are a huge improvement over the Simic of Dissension.
Don't misunderstand me when I talk about sweepers and Wrath effects. My complaint isn't "this dies to Wrath", it's "This will die incedentally to a Wrath before you've gotten your mana's worth".
My litmus test is roughly this: Do I need this creature to reliably stay on the battlefield for 3 or more turns before I feel good about casting it? If the answer is yes, then I generally won't play it.
It does have cute cross-Guild synergy with Populate. Jus' sayin'...
Seriously, I think this is good but I'm not sure. It's hard to tell, really. I love Harmonize, and I frequently cast Harmonize and then discard 1 card at end of turn. This would eliminate that discard in most cases, by allowing an extra land drop. Is that worth an extra mana?
I don't know, but I will try it and see.
That she's terrible right after a Wrath is a bit of a downer, but I'm sure that won't stop her from seeing tons of play. At the end of the day, she's just way too good a draw spell to pass up.