edhseer Commander synergy, explained
Instant
Mana cost: {3}{U}
When you cast this spell, copy it for each kind of counter among permanents you control. You may choose new targets for the copies.
triggered — copies a spell
Return target nonland permanent to its owner's hand.
on-cast — bounce
Causes: copy a spell, an artifact leaves the battlefield, a battle leaves the battlefield, a creature leaves the battlefield, an enchantment leaves the battlefield, a planeswalker leaves the battlefield.
Cares about: nothing.
a spell is copied — 122 cards in the game can cause this (Storm of Forms is one).
When Storm of Forms is copied:
an instant is cast — 3,931 cards in the game can cause this (Storm of Forms is one).
When Storm of Forms is cast:
427 other cards care about it too. These are the ones with the most connections.
a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Storm of Forms is one).
3 other cards care about it too. These are the ones with the most connections.
a creature leaves the battlefield — 4,238 cards in the game can cause this (Storm of Forms is one).
When a creature leaves the battlefield thanks to Storm of Forms:
25 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 (Storm of Forms is one).
When Storm of Forms is cast:
5 other cards care about it too. These are the ones with the most connections.