edhseer Commander synergy, explained
Artifact
Mana cost: {3}
Whenever a creature with toughness 4 or greater is put into your graveyard from the battlefield, you may exile it.
triggered —
At the beginning of the end step, if three or more cards have been exiled with this artifact, sacrifice it. If you do, return those cards to the battlefield under their owner's control.
triggered —
triggered — blinks a permanent
Causes: exile a creature, a creature leaves a graveyard, sacrifice a permanent, a permanent is put into a graveyard from the battlefield, put anything onto the battlefield.
Cares about: a creature dies, an end step.
an artifact is sacrificed — 761 cards in the game can cause this (Colfenor's Urn is one).
When you sacrifice Colfenor's Urn:
6 other cards care about it too. These are the ones with the most connections.
a nontoken creature is exiled — 995 cards in the game can cause this (Colfenor's Urn is one).
a creature is exiled — 1,003 cards in the game can cause this (Colfenor's Urn is one).
When a creature is exiled thanks to Colfenor's Urn:
2 other cards care about it too. These are the ones with the most connections.
a nontoken artifact is put into a graveyard from the battlefield — 1,226 cards in the game can cause this (Colfenor's Urn is one).
When Colfenor's Urn is put into a graveyard from the battlefield:
1 other card cares about it too. These are the ones with the most connections.
an artifact in a graveyard — 1,226 cards in the game can cause this (Colfenor's Urn is one).
When Colfenor's Urn is in the graveyard:
179 other cards care about it too. These are the ones with the most connections.
an artifact goes to a graveyard — 1,250 cards in the game can cause this (Colfenor's Urn is one).
When Colfenor's Urn hits the graveyard:
an artifact is put into a graveyard from the battlefield — 1,254 cards in the game can cause this (Colfenor's Urn is one).
When Colfenor's Urn is put into a graveyard from the battlefield:
32 other cards care about it too. These are the ones with the most connections.
a creature leaves a graveyard — 1,302 cards in the game can cause this (Colfenor's Urn is one).
When a creature leaves a graveyard thanks to Colfenor's Urn:
3 other cards care about it too. These are the ones with the most connections.
an artifact leaves the battlefield — 1,680 cards in the game can cause this (Colfenor's Urn is one).
anything is exiled — 2,497 cards in the game can cause this (Colfenor's Urn is one).
anything leaves a graveyard — 2,503 cards in the game can cause this (Colfenor's Urn is one).
When a creature leaves a graveyard thanks to Colfenor's Urn:
18 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 (Colfenor's Urn is one).
443 other cards care about it too. These are the ones with the most connections.