Cache Grab is an all star in the former regard, often getting three cards in your graveyard while making a Food
Just remember that Overabundance can do the same to you when building your deck having some nonland options to generate mana or a couple free spells to take out enchantments can go along way toward keeping you from accidentally locking yourself out of the game
The first time you tap, Krenko will poop out an instant horde for all your goblin needs, and things only get exponentially crazier from there
One potential issue with that: a lot of those characters are uninkable, just like Pan's Shadow here
Whether you are a seasoned player or just starting, these boxes provide a fantastic mix of common, uncommon, and rare cards, allowing you to build the ultimate deck
Just playing spells and milling yourself can make this simple creature hit absurdly hard for a two-mana spell