edhseer Commander synergy, explained
Artifact Creature — Spider
Mana cost: {5}
Flying
Whenever another nontoken artifact creature or Vehicle you control enters, draw a card.
triggered — draws you 1 card
Causes: draw a card.
Cares about: anything that is not a token enters the battlefield.
a Spider enters the battlefield — 206 cards in the game can cause this (Canoptek Spyder 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.
an artifact attacks — 1,243 cards in the game can cause this (Canoptek Spyder is one).
When Canoptek Spyder attacks:
an artifact deals combat damage — 1,243 cards in the game can cause this (Canoptek Spyder is one).
When Canoptek Spyder deals combat damage:
2 other cards care about it too. These are the ones with the most connections.
a nontoken artifact deals combat damage — 1,243 cards in the game can cause this (Canoptek Spyder is one).
an artifact is cast — 3,683 cards in the game can cause this (Canoptek Spyder is one).
When Canoptek Spyder is cast:
271 other cards care about it too. These are the ones with the most connections.
a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Canoptek Spyder is one).
When Canoptek Spyder enters:
a card is drawn — 3,815 cards in the game can cause this (Canoptek Spyder is one).
When Canoptek Spyder makes a player draw a card:
57 other cards care about it too. These are the ones with the most connections.
an artifact it grants abilities to — 4,531 cards in the game can cause this.
4,530 other cards cause it too. These are the ones with the most connections.
an artifact it applies untap to — 4,531 cards in the game can cause this.
4,530 other cards cause it too. These are the ones with the most connections.
an artifact enters the battlefield — 4,643 cards in the game can cause this (Canoptek Spyder is one).
When Canoptek Spyder enters:
56 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 (Canoptek Spyder is one).
When Canoptek Spyder attacks:
135 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 (Canoptek Spyder is one).
199 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 (Canoptek Spyder is one).
90 other cards care about it too. These are the ones with the most connections.
a creature it grants abilities to — 19,392 cards in the game can cause this.
19,388 other cards cause it too. These are the ones with the most connections.
a creature it boosts — 19,392 cards in the game can cause this.
19,382 other cards cause it too. These are the ones with the most connections.
a creature it applies speed increase to — 19,392 cards in the game can cause this.
19,390 other cards cause it too. These are the ones with the most connections.
a creature it applies extra combat to — 19,392 cards in the game can cause this.
19,391 other cards cause it too. These are the ones with the most connections.
a creature it grants types to — 19,392 cards in the game can cause this.
19,389 other cards cause it too. These are the ones with the most connections.
a creature it makes cheaper to cast — 19,392 cards in the game can cause this.
19,389 other cards cause it too. These are the ones with the most connections.
a creature enters the battlefield — 19,800 cards in the game can cause this (Canoptek Spyder is one).
When Canoptek Spyder enters:
347 other cards care about it too. These are the ones with the most connections.
put a nontoken permanent onto the battlefield — 25,747 cards in the game can cause this.
25,737 other cards cause it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Canoptek Spyder is one).
69 other cards care about it too. These are the ones with the most connections.