edhseer Commander synergy, explained
Land
Whenever a creature deals combat damage to you, that creature's controller gains control of this land.
triggered —
Add {C}.
activated {T} — adds 1 mana
Attacking creatures get +1/+0 until end of turn.
activated {1}, {T} — gives +1/+0
Causes: take control of a land.
Cares about: nothing.
a land enters the battlefield — 1,560 cards in the game can cause this (Contested War Zone is one).
When Contested War Zone enters:
199 other cards care about it too. These are the ones with the most connections.