Tocasias Welcome is my current pick, for a couple reasons mainly that it triggers off of tokens, and because it triggers on opponents turns, and because enchantments tend to stick around longer than creatures
This puts a good amount of the fun in opening this particular pack not just in pulling valuable cards but in actually creating a master set featuring every single card including alternate arts
During all of 2015, Golgari Grave-Troll showed up in a grand total of four winning deck lists (all of them Dredgevine), and its best performance was going 5-0 in a Magic Online daily event
It has one of the highest cost-to-pump ratios on a board full of enchantments, and first strike makes the enchanted creature virtually unstoppable in combat
Knight of Meadowgrain: This is an incredible staple in this deck
It turns a land into a 3/3 creature with haste