Herd Heirloom Herd Heirloom, from Tarkir: Dragonstorm , has really understood green's job description: Big, and tramply
Given how heavily opened this set will be, for various reasons, you should be able to pick up a lot of them for pennies
Lay Down Arms Lay Down Arms basically forces you to play mono-white, or at least a bunch of shocks, triomes, and other lands with the Plains subtype
This might seem like something that could only happen in Commander with cards like Platinum Angel, and while Commander is probably the most reasonable home for "you can't lose the game" effects, there are actually not just one but two different ways of pulling off this feat in Standard as well
So were going to want to have a lot of protection in this deck
While theyre both low-power, the decks can function fairly well without casting their planeswalker