edhseer Commander synergy, explained
Legendary Creature — Human
Mana cost: {3}{R}
Whenever you cast an instant or sorcery spell that targets only Bill Potts or activate an ability that targets only Bill Potts, copy that spell or ability. You may choose new targets for the copy. This ability triggers only once each turn.
triggered — copies an ability
Doctor's companion
What a deck led by this card wants
Causes: copy a spell.
Cares about: an instant is cast, a sorcery is cast, an activated ability to copy, a triggered ability to copy.
a spell is copied — 122 cards in the game can cause this (Bill Potts is one).
When Bill Potts is copied:
cast a sorcery — 3,720 cards in the game can cause this.
3,719 other cards cause it too. These are the ones with the most connections.
cast an instant — 3,931 cards in the game can cause this.
3,921 other cards cause it too. These are the ones with the most connections.
a Human enters the battlefield — 4,639 cards in the game can cause this (Bill Potts is one).
When Bill Potts enters:
2 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 (Bill Potts is one).
When Bill Potts 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 (Bill Potts is one).
When Bill Potts attacks:
181 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 (Bill Potts is one).
When Bill Potts 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 (Bill Potts is one).
When Bill Potts attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Bill Potts is one).
When Bill Potts deals combat damage:
195 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 (Bill Potts is one).
When Bill Potts is cast:
89 other cards care about 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 grants abilities to — 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.
19,382 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.
19,390 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 (Bill Potts is one).
When Bill Potts enters:
300 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 (Bill Potts is one).
41 other cards care about it too. These are the ones with the most connections.