While the first line suggests a food/golem strategy, most of its strength actually comes from its second ability, which gives you copies of existing creatures as Food tokens
Some even got played in one of my two versions although they range from the potent to the crap and the suitable all the way through to the wacky
I really wanted to put it higher on the list as a result, but there are also a lot of awkward conditions attached that make it difficult to utilize Boxing Ring outside of dedicated fight-themed decks
Ever since Khans of Tarkir was the draft format I have been in love with the Secret Plans + Trail of Mystery engine
Sword of Truth and Justice When equipped to a creature, Sword of Truth and Justice gives that card +2/+2 and protection from white and blue
Used as a blunt instrument it can be Nevinyrral's Disk and wipe out the whole board, and if you can show your hand via a small investment you can do it at any time with confidence that nothing on board is likely to be too expensive to take out