edhseer Commander synergy, explained
Land
This land enters tapped.
When this land enters, you may look at the top five cards of your library. If you do, reveal up to one basic land card from among them, then put that card on top of your library and the rest on the bottom in any order.
triggered — sets the top of a library
triggered — sets the top of a library
Add {G}.
activated {T} — adds 1 mana
Causes: nothing.
Cares about: nothing.
a land enters the battlefield — 1,560 cards in the game can cause this (Fertile Thicket is one).
When Fertile Thicket enters:
199 other cards care about it too. These are the ones with the most connections.