edhseer Commander synergy, explained
Land
As this land enters, you may reveal a Soldier card from your hand. This land enters tapped unless you revealed a Soldier card this way or you control a Soldier.
Add {W} or {U}.
activated {T} — adds 1 mana
Soldiers you control get +1/+1 until end of turn.
activated {5}, {T} — gives +1/+1
Causes: nothing.
Cares about: nothing.
a land enters the battlefield — 1,560 cards in the game can cause this (Fortified Beachhead is one).
When Fortified Beachhead enters:
199 other cards care about it too. These are the ones with the most connections.