edhseer Commander synergy, explained
Creature — Spider
Mana cost: {B}{G}
Reach
When this creature enters, surveil 2.
triggered — surveils
Create a number of 1/1 black and green Insect creature tokens with flying equal to the number of card types among cards in your graveyard.
activated {4}{B}{G}, {T}, Sacrifice this creature —
activated {4}{B}{G}, {T}, Sacrifice this creature — makes a token
Causes: surveil, sacrifice a creature, a creature dies, create an Insect creature token, put an Insect creature token onto the battlefield.
Cares about: nothing.
a Spider enters the battlefield — 206 cards in the game can cause this (Broodspinner is one).
a Spider creature it grants types to — 207 cards in the game can cause this.
206 other cards cause it too. These are the ones with the most connections.
you surveil — 233 cards in the game can cause this (Broodspinner is one).
When Broodspinner surveils:
5 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 (Broodspinner is one).
When you sacrifice Broodspinner:
a creature is sacrificed — 1,741 cards in the game can cause this (Broodspinner is one).
When you sacrifice Broodspinner:
20 other cards care about it too. These are the ones with the most connections.
provide a creature to sacrifice — 2,720 cards in the game can cause this.
2,719 other cards cause it too. These are the ones with the most connections.
a creature in a graveyard — 2,769 cards in the game can cause this (Broodspinner is one).
When Broodspinner is in the graveyard:
799 other cards care about it too. These are the ones with the most connections.
a nontoken creature dies — 2,769 cards in the game can cause this (Broodspinner is one).
When Broodspinner dies:
60 other cards care about it too. These are the ones with the most connections.
a creature token enters the battlefield — 2,799 cards in the game can cause this (Broodspinner is one).
When an Insect enters thanks to Broodspinner:
a creature token is created — 2,799 cards in the game can cause this (Broodspinner is one).
3 other cards care about it too. These are the ones with the most connections.
a creature dies — 2,830 cards in the game can cause this (Broodspinner is one).
When Broodspinner dies:
458 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 (Broodspinner is one).
443 other cards care about it too. These are the ones with the most connections.
anything attacks — 17,934 cards in the game can cause this (Broodspinner is one).
When Broodspinner attacks:
155 other cards care about it too. These are the ones with the most connections.
a creature attacks — 17,934 cards in the game can cause this (Broodspinner is one).
232 other cards care about it too. These are the ones with the most connections.
a creature is cast — 18,010 cards in the game can cause this (Broodspinner is one).
90 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 (Broodspinner is one).
476 other cards care about it too. These are the ones with the most connections.