edhseer Commander synergy, explained
Legendary Creature — Spider Human Hero
Mana cost: {1}{R}{G}
Web-slinging {R}{G}
Trample
If Scarlet Spider was cast using web-slinging, he enters with X +1/+1 counters on him, where X is the mana value of the returned creature.
static — arrives with counters
Causes: put a counter on anything.
Cares about: nothing.
a Spider creature it grants types to — 123 cards in Scarlet Spider's colors can cause this.
122 other cards cause it too. These are the ones with the most connections.
a Hero enters the battlefield — 140 cards in Scarlet Spider's colors can cause this (Scarlet Spider is one).
When Scarlet Spider, Ben Reilly enters:
anything gets a counter — 1,830 cards in Scarlet Spider's colors can cause this (Scarlet Spider is one).
6 other cards care about it too. These are the ones with the most connections.
a Human enters the battlefield — 1,177 cards in Scarlet Spider's colors can cause this (Scarlet Spider is one).
When Scarlet Spider, Ben Reilly enters:
a creature attacks — 6,617 cards in Scarlet Spider's colors can cause this (Scarlet Spider is one).
When Scarlet Spider, Ben Reilly attacks:
76 other cards care about it too. These are the ones with the most connections.
anything attacks — 6,617 cards in Scarlet Spider's colors can cause this (Scarlet Spider is one).
When Scarlet Spider, Ben Reilly attacks:
30 other cards care about it too. These are the ones with the most connections.
a creature blocks — 6,617 cards in Scarlet Spider's colors can cause this (Scarlet Spider is one).
When Scarlet Spider, Ben Reilly blocks:
2 other cards care about it too. These are the ones with the most connections.
a creature is cast — 6,650 cards in Scarlet Spider's colors can cause this (Scarlet Spider is one).
When Scarlet Spider, Ben Reilly is cast:
38 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 6,738 cards in Scarlet Spider's colors can cause this (Scarlet Spider is one).
When Scarlet Spider, Ben Reilly enters:
7 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 7,276 cards in Scarlet Spider's colors can cause this (Scarlet Spider is one).
When Scarlet Spider, Ben Reilly enters:
130 other cards care about it too. These are the ones with the most connections.