edhseer Commander synergy, explained
Land
This land enters tapped.
When this land enters, exile target player's graveyard.
triggered — hits a graveyard
Add {B}.
activated {T} — adds 1 mana
Causes: exile a card, anything leaves a graveyard.
Cares about: nothing.
a land enters the battlefield — 1,560 cards in the game can cause this (Bojuka Bog is one).
When Bojuka Bog enters:
199 other cards care about it too. These are the ones with the most connections.
anything is exiled — 2,497 cards in the game can cause this (Bojuka Bog is one).