Undercity Scrounger is just an engine, churning out Treasures regardless whose turn the creature died on
If my memory serves me right, there may have been some grass type related cards, thought I cant remember 100% for sure
You need specifically colorless mana to cast the latest version of Kozilek
As cool as etched foils are, hopefully Wizards tries gilded foils in more sets
I asked if that was actively accounted for in design, and Fleischer tells me that they while always test new preconstructed decks against one another, this time they took extra care to make sure that the decks were fun to play and were balanced against each other in anticipation of just that
The Rough Skin ability makes it all worth it, since attacking Druddigon will cause your opponent to take 20 damage in return