edhseer Commander synergy, explained
Instant
Mana cost: {W}
Destroy target creature that blocked or was blocked by a legendary creature this turn.
on-cast —
Causes: a creature dies.
Cares about: nothing.
a creature in a graveyard — 2,769 cards in the game can cause this (You Cannot Pass! is one).
You Cannot Pass! puts cards into the graveyard that:
799 other cards care about it too. These are the ones with the most connections.
a nontoken creature dies — 2,769 cards in the game can cause this (You Cannot Pass! is one).
When a creature dies thanks to You Cannot Pass!:
60 other cards care about it too. These are the ones with the most connections.
a creature dies — 2,830 cards in the game can cause this (You Cannot Pass! is one).
When a creature dies thanks to You Cannot Pass!:
450 other cards care about it too. These are the ones with the most connections.
a creature goes to a graveyard — 3,011 cards in the game can cause this (You Cannot Pass! is one).
When a creature hits the graveyard thanks to You Cannot Pass!:
10 other cards care about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (You Cannot Pass! is one).
When You Cannot Pass! 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 (You Cannot Pass! 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 (You Cannot Pass! is one).
When a creature leaves the battlefield thanks to You Cannot Pass!:
29 other cards care about it too. These are the ones with the most connections.
a card in a graveyard — 7,589 cards in the game can cause this (You Cannot Pass! is one).
443 other cards care about it too. These are the ones with the most connections.