edhseer Commander synergy, explained
Creature — Mouse Soldier
Mana cost: {2}{W}
Offspring {1}{W}
Vigilance
Whenever an opponent casts a noncreature spell, put a +1/+1 counter on this creature.
triggered — puts a counter on it
Causes: put a counter on anything.
Cares about: an artifact is cast, a battle is cast, an enchantment is cast, an instant is cast, a planeswalker is cast, a sorcery is cast.
cast a battle — 100 cards in the game can cause this.
99 other cards cause it too. These are the ones with the most connections.
a Soldier creature enters the battlefield — 1,279 cards in the game can cause this (Steelburr Champion is one).
a Soldier creature it grants abilities to — 1,283 cards in the game can cause this.
1,282 other cards cause it too. These are the ones with the most connections.
a creature gets a counter — 2,691 cards in the game can cause this (Steelburr Champion is one).
When Steelburr Champion gets a counter:
33 other cards care about it too. These are the ones with the most connections.
cast an artifact — 3,683 cards in the game can cause this.
3,681 other cards cause it too. These are the ones with the most connections.
anything gets a counter — 4,415 cards in the game can cause this (Steelburr Champion 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 (Steelburr Champion is one).
When Steelburr Champion attacks:
114 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 (Steelburr Champion is one).
When Steelburr Champion 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 (Steelburr Champion is one).
When Steelburr Champion blocks:
19 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 (Steelburr Champion is one).
When Steelburr Champion attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Steelburr Champion is one).
When Steelburr Champion deals combat damage:
194 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 (Steelburr Champion is one).
When Steelburr Champion enters:
301 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 (Steelburr Champion is one).
41 other cards care about it too. These are the ones with the most connections.