Green-white is a color combination with plenty of cards to search for low-cost creatures, and searching is easy
(2014-05-29) The +1/+1 counter is put on the creature before blockers are declared
Hurloon Wrangler: When Hurloon Wrangler enters the battlefield, it gets +X/+0 until end of turn, where X is the number of creatures you control
Some of the chase cards beyond that are Okidogi ex, Fezandipiti ex, and Cassiopeia, all of which will make great additions to a collection should they get pulled
While past sets (both Innistrad blocks) also had double-faced cards that increased the total number of mythics in the set, there is one huge difference: they showed up in their own special slot, which essentially made double-faced cards a bonus since you could open a normal mythic and a double-faced mythic in the same pack
The Poke Pad is forming a key part of the current meta - it lets you search your deck for any Pokmon that doesn't have a "Rule Box" (meaning no Pokmon ex or V), reveal it, and add it to your hand