edhseer Commander synergy, explained
Legendary Creature — Bird
Mana cost: {1}{U}
Flying
Spells your opponents cast that target one or more commanders you control cost {3} more to cast.
static — taxes the table
Partner
Causes: nothing.
Cares about: nothing.
a Bird attacks — 163 cards in Esior's colors can cause this (Esior is one).
a nontoken Bird enters the battlefield — 164 cards in Esior's colors can cause this (Esior is one).
a creature attacks — 3,238 cards in Esior's colors can cause this (Esior is one).
When Esior, Wardwing Familiar attacks:
43 other cards care about it too. These are the ones with the most connections.
anything attacks — 3,238 cards in Esior's colors can cause this (Esior is one).
When Esior, Wardwing Familiar attacks:
2 other cards care about it too. These are the ones with the most connections.
a creature blocks — 3,238 cards in Esior's colors can cause this (Esior is one).
When Esior, Wardwing Familiar blocks:
1 other card cares about it too. These are the ones with the most connections.
a creature is cast — 3,254 cards in Esior's colors can cause this (Esior is one).
When Esior, Wardwing Familiar 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 Esior's colors can cause this (Esior is one).
When Esior, Wardwing Familiar 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 Esior's colors can cause this (Esior is one).
When Esior, Wardwing Familiar enters:
32 other cards care about it too. These are the ones with the most connections.