edhseer Commander synergy, explained
Creature — Spider
Mana cost: {3}{G}
Reach
This creature gets +X/+X until end of turn, where X is the number of creature cards in your graveyard. Activate only once each turn.
activated {3}{B} — gives +X/+X, where X is the number of creature cards in your graveyard
Causes: nothing.
Cares about: a creature in a graveyard.
a Spider enters the battlefield — 206 cards in the game can cause this (Graverobber Spider 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.
anything attacks — 17,934 cards in the game can cause this (Graverobber Spider is one).
When Graverobber Spider attacks:
111 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 (Graverobber Spider is one).
When Graverobber Spider attacks:
180 other cards care about it too. These are the ones with the most connections.
a creature blocks — 17,934 cards in the game can cause this (Graverobber Spider is one).
When Graverobber Spider blocks:
18 other cards care about it too. These are the ones with the most connections.
a nontoken creature attacks — 17,934 cards in the game can cause this (Graverobber Spider is one).
When Graverobber Spider attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Graverobber Spider is one).
When Graverobber Spider deals combat damage:
194 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 (Graverobber Spider is one).
When Graverobber Spider is cast:
81 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Graverobber Spider is one).
When Graverobber Spider enters:
27 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 (Graverobber Spider is one).
When Graverobber Spider enters:
299 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Graverobber Spider is one).
41 other cards care about it too. These are the ones with the most connections.