edhseer Commander synergy, explained
Land
This land enters tapped.
Add {B}.
activated {T} — adds 1 mana
Mill four cards, then return a creature card from your graveyard to the battlefield. Activate only as a sorcery.
activated {2}{B}{B}{B}, {T}, Exile this land —
activated {2}{B}{B}{B}, {T}, Exile this land — mills a card
activated {2}{B}{B}{B}, {T}, Exile this land — brings a card back
Causes: exile a land, a land leaves the battlefield, mill a card, put a creature onto the battlefield, a creature leaves a graveyard.
Cares about: a creature in a graveyard.
a land it grants abilities to — 1,237 cards in the game can cause this.
1,234 other cards cause it too. These are the ones with the most connections.
a land it boosts — 1,237 cards in the game can cause this.
1,236 other cards cause it too. These are the ones with the most connections.
a creature leaves a graveyard — 1,302 cards in the game can cause this (Tomb Fortress is one).
When a creature leaves a graveyard thanks to Tomb Fortress:
3 other cards care about it too. These are the ones with the most connections.
a land enters the battlefield — 1,560 cards in the game can cause this (Tomb Fortress is one).
When Tomb Fortress 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 (Tomb Fortress is one).
anything leaves a graveyard — 2,503 cards in the game can cause this (Tomb Fortress is one).
When a creature leaves a graveyard thanks to Tomb Fortress:
13 other cards care about it too. These are the ones with the most connections.
a card in a graveyard — 7,589 cards in the game can cause this (Tomb Fortress is one).
434 other cards care about it too. These are the ones with the most connections.
anything goes to a graveyard — 7,589 cards in the game can cause this (Tomb Fortress is one).
When a card hits the graveyard thanks to Tomb Fortress:
7 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Tomb Fortress is one).
When a creature enters thanks to Tomb Fortress:
30 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 19,800 cards in the game can cause this (Tomb Fortress is one).
330 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Tomb Fortress is one).
34 other cards care about it too. These are the ones with the most connections.