edhseer Commander synergy, explained
Artifact
Mana cost: {2}{U}
Whenever you cast an instant or sorcery spell, if this artifact has fewer than three charge counters on it, put a charge counter on it.
triggered — puts a counter on it
When you next cast an instant or sorcery spell this turn, copy it and you may choose new targets for the copy.
activated Remove three charge counters from this artifact —
activated Remove three charge counters from this artifact — copies a spell
Causes: put a counter on anything, remove a counter from anything, copy an instant, copy a sorcery.
Cares about: nothing.
a sorcery is copied — 83 cards in the game can cause this (Adaptive Training Post is one).
When an instant is copied thanks to Adaptive Training Post:
21 other cards care about it too. These are the ones with the most connections.
an instant is copied — 87 cards in the game can cause this (Adaptive Training Post is one).
31 other cards care about it too. These are the ones with the most connections.
an artifact is cast — 3,683 cards in the game can cause this (Adaptive Training Post is one).
When Adaptive Training Post is cast:
271 other cards care about it too. These are the ones with the most connections.
a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Adaptive Training Post is one).
When Adaptive Training Post enters:
anything gets a counter — 4,415 cards in the game can cause this (Adaptive Training Post is one).
7 other cards care about it too. These are the ones with the most connections.
an artifact enters the battlefield — 4,643 cards in the game can cause this (Adaptive Training Post is one).
When Adaptive Training Post enters:
55 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 (Adaptive Training Post is one).
When Adaptive Training Post enters:
39 other cards care about it too. These are the ones with the most connections.
anything is cast — 31,128 cards in the game can cause this (Adaptive Training Post is one).
When Adaptive Training Post is cast:
10 other cards care about it too. These are the ones with the most connections.