edhseer Commander synergy, explained
Legendary Creature — Zombie Mutant Advisor
Mana cost: {2}{B}
Each other creature you control that's a Zombie or Mutant gets +X/+X, where X is the number of counters on Hancock.
static — gives +X/+X, where X is the number of counters on ~
Undying
What a deck led by this card wants
Causes: nothing.
Cares about: a Zombie creature it boosts, a Mutant creature it boosts.
a Mutant attacks — 280 cards in the game can cause this (Hancock is one).
a Mutant deals combat damage — 280 cards in the game can cause this (Hancock is one).
a Mutant enters the battlefield — 286 cards in the game can cause this (Hancock is one).
When Hancock, Ghoulish Mayor enters:
a Zombie deals combat damage — 657 cards in the game can cause this (Hancock is one).
a Zombie attacks — 657 cards in the game can cause this (Hancock is one).
a nontoken Zombie enters the battlefield — 661 cards in the game can cause this (Hancock is one).
a Zombie enters the battlefield — 795 cards in the game can cause this (Hancock is one).
When Hancock, Ghoulish Mayor enters:
a creature gets a counter — 2,691 cards in the game can cause this (Hancock is one).
When Hancock, Ghoulish Mayor gets a counter:
35 other cards care about it too. These are the ones with the most connections.
anything gets a counter — 4,415 cards in the game can cause this (Hancock is one).
8 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 (Hancock is one).
When Hancock, Ghoulish Mayor attacks:
134 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 (Hancock is one).
When Hancock, Ghoulish Mayor attacks:
199 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 (Hancock is one).
When Hancock, Ghoulish Mayor blocks:
30 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 (Hancock is one).
When Hancock, Ghoulish Mayor enters:
424 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 (Hancock is one).
77 other cards care about it too. These are the ones with the most connections.