Gaining life has been a part of whites identity since the games inception, as have small, cheap creatures
Without fetchlands, even stuff like Dig Through Time and Treasure Cruise seems great but not busted
Being able to sac one of your own Gobby tokens in order to destroy an opponents powerhouse artifact combo piece or game-warping colorless permanent is quite an impactful trade-off, so if you keep losing to Chimil, the Inner Sun or The Immortal Sun (or other, non-Sun-related artifacts), nab a copy of this bruiser and profit mightily
Concealed Courtyard might pair awkwardly with Shambling Vent, making it difficult for your fourth land to enter the battlefield untapped, which is a big deal when Gideon, Ally of Zendikar is one of the decks major payoffs
This is See Off, which allows you to search your deck for a Pokemon to put in there
Here's what those terms mean: Expansion: These are the regular Magic: The Gathering sets, legal in Standard, and released at regular intervals throughout the year