edhseer Commander synergy, explained
Land
This land enters tapped.
Add {B}.
activated {T} — adds 1 mana
Create a 4/4 white Angel Warrior creature token with flying and vigilance. Activate only as a sorcery.
activated {W}{W}{B}, {T}, Sacrifice this land and a creature you control —
activated {W}{W}{B}, {T}, Sacrifice this land and a creature you control —
activated {W}{W}{B}, {T}, Sacrifice this land and a creature you control — makes a token
Causes: sacrifice a land, a land is put into a graveyard from the battlefield, sacrifice a creature, a creature dies, create an Angel creature token, create a Warrior creature token, put an Angel creature token onto the battlefield, put a Warrior creature token onto the battlefield.
Cares about: a creature to sacrifice.
anything leaves the battlefield — 1 card in the game can cause this (Great Hall of Starnheim is one).
an Angel enters the battlefield — 354 cards in the game can cause this (Great Hall of Starnheim is one).
When an Angel enters thanks to Great Hall of Starnheim:
a land is sacrificed — 438 cards in the game can cause this (Great Hall of Starnheim is one).
When you sacrifice Great Hall of Starnheim:
a land in a graveyard — 634 cards in the game can cause this (Great Hall of Starnheim is one).
121 other cards care about it too. These are the ones with the most connections.
a land is put into a graveyard from the battlefield — 636 cards in the game can cause this (Great Hall of Starnheim is one).
When Great Hall of Starnheim is put into a graveyard from the battlefield:
1 other card cares about it too. These are the ones with the most connections.
a land goes to a graveyard — 683 cards in the game can cause this (Great Hall of Starnheim is one).
When Great Hall of Starnheim hits the graveyard:
6 other cards care about it too. These are the ones with the most connections.
a land it grants abilities to — 1,237 cards in the game can cause this.
1,233 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 Warrior creature enters the battlefield — 1,401 cards in the game can cause this (Great Hall of Starnheim is one).
a Warrior enters the battlefield — 1,403 cards in the game can cause this (Great Hall of Starnheim is one).
When a Warrior enters thanks to Great Hall of Starnheim:
a land enters the battlefield — 1,560 cards in the game can cause this (Great Hall of Starnheim is one).
When Great Hall of Starnheim enters:
201 other cards care about it too. These are the ones with the most connections.
a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Great Hall of Starnheim is one).
When a creature is sacrificed thanks to Great Hall of Starnheim:
a creature is sacrificed — 1,741 cards in the game can cause this (Great Hall of Starnheim is one).
When a creature is sacrificed thanks to Great Hall of Starnheim:
21 other cards care about it too. These are the ones with the most connections.
a creature in a graveyard — 2,769 cards in the game can cause this (Great Hall of Starnheim is one).
808 other cards care about it too. These are the ones with the most connections.