edhseer Commander synergy, explained
Snow Creature — Bird
Mana cost: {5}{U}{U}
Flying
Rimefeather Owl's power and toughness are each equal to the number of snow permanents on the battlefield.
static — makes your creatures bigger
Put an ice counter on target permanent.
activated {1}{S} — puts a counter on it
Permanents with ice counters on them are snow.
static — grants a keyword
Causes: put a counter on a permanent.
Cares about: a creature it grants abilities to, an artifact it grants abilities to, an enchantment it grants abilities to, a planeswalker it grants abilities to, a land it grants abilities to, a battle it grants abilities to.
hits creature — 2,298 cards in the game can cause this.
12 other cards care about it too. These are the ones with the most connections.
a Bird attacks — 486 cards in the game can cause this (Rimefeather Owl is one).
When Rimefeather Owl attacks:
a Bird creature is cast — 486 cards in the game can cause this (Rimefeather Owl is one).
1 other card cares about it too. These are the ones with the most connections.
a Bird deals combat damage — 486 cards in the game can cause this (Rimefeather Owl is one).
a nontoken Bird enters the battlefield — 487 cards in the game can cause this (Rimefeather Owl is one).
a Bird enters the battlefield — 538 cards in the game can cause this (Rimefeather Owl is one).
1 other card cares about it too. These are the ones with the most connections.
anything gets a counter — 4,415 cards in the game can cause this (Rimefeather Owl is one).
12 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 (Rimefeather Owl is one).
When Rimefeather Owl attacks:
496 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 (Rimefeather Owl is one).
When Rimefeather Owl attacks:
873 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 (Rimefeather Owl is one).
When Rimefeather Owl blocks:
132 other cards care about it too. These are the ones with the most connections.
a creature deals combat damage — 17,934 cards in the game can cause this (Rimefeather Owl is one).
532 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 (Rimefeather Owl is one).
When Rimefeather Owl attacks:
a creature enters the battlefield — 19,800 cards in the game can cause this (Rimefeather Owl is one).
When Rimefeather Owl enters:
3,032 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 (Rimefeather Owl is one).
690 other cards care about it too. These are the ones with the most connections.