edhseer Commander synergy, explained
Legendary Creature — Human Hero
Mana cost: {2}{U}
Vigilance
Copy target activated or triggered ability you control from a creature source. You may choose new targets for the copy.
activated {1}, {T} — copies an ability
Causes: copy a creature.
Cares about: an activated ability to copy, a triggered ability to copy.
a Hero creature it grants types to — 57 cards in Echo's colors can cause this.
56 other cards cause it too. These are the ones with the most connections.
a Hero enters the battlefield — 59 cards in Echo's colors can cause this (Echo is one).
a Human enters the battlefield — 634 cards in Echo's colors can cause this (Echo is one).
an activated ability to copy — 2,048 cards in Echo's colors can cause this (Echo is one).
Echo, Perceptive Prodigy copies:
2,037 other cards care about it too. These are the ones with the most connections.
a triggered ability to copy — 2,985 cards in Echo's colors can cause this (Echo is one).
Echo, Perceptive Prodigy copies:
2,983 other cards care about it too. These are the ones with the most connections.
a creature attacks — 3,238 cards in Echo's colors can cause this (Echo is one).
When Echo, Perceptive Prodigy attacks:
44 other cards care about it too. These are the ones with the most connections.
anything attacks — 3,238 cards in Echo's colors can cause this (Echo is one).
When Echo, Perceptive Prodigy attacks:
2 other cards care about it too. These are the ones with the most connections.
a creature blocks — 3,238 cards in Echo's colors can cause this (Echo is one).
When Echo, Perceptive Prodigy blocks:
1 other card cares about it too. These are the ones with the most connections.
a creature is cast — 3,254 cards in Echo's colors can cause this (Echo is one).
When Echo, Perceptive Prodigy is cast:
12 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 3,316 cards in Echo's colors can cause this (Echo is one).
When Echo, Perceptive Prodigy enters:
2 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 3,581 cards in Echo's colors can cause this (Echo is one).
When Echo, Perceptive Prodigy enters:
32 other cards care about it too. These are the ones with the most connections.