My favorite card has to be Horizon Chimera. This new card took the place of Twincast and the other 2 mana copy spells because of the simplicity of the card and its power. I've never had anyone ask "so I'm drawing a card, do I gain a life" when it comes to the Chimera. Also, the feeling you get from flashing in a 3/2 flier when they least expect it is great.
I used the Chimera in conjunction with Archangel of Thune and Fathom Mage to make a return to standard for a short while. The look on someone's face when they realize what is happening is priceless.
Not that it's relevant to the power level of the card.
I think that this card will see some play in the right decks, and that those decks probably include Ornithopter and Darksteel Citadel.
Your reasoning is absolutely correct as to why it will fizzle. The target was the Satyr. The target is gone. The spell fizzles because it no longer has a legal target.
All the fonts feel like they're smaller, but that could be an illusion created by the different color schemes (darker tops) between the sites. Personally, I like the layout better on here as it feels easier to navigate.
I'm also a fan of having the report button on the bottom of posts as opposed to by the thank button. It was too easy to accidentally click thank instead of report if you weren't paying attention on a phone.