edhseer Commander synergy, explained
Instant
Mana cost: {2}{U/R}
Creatures your opponents control get -1/-0 until end of turn if {U} was spent to cast this spell, and creatures you control get +1/+0 until end of turn if {R} was spent to cast this spell.
on-cast — shrinks a creature by -1/-0
on-cast — gives +1/+0
Causes: a creature dies.
Cares about: nothing.
a creature in a graveyard — 2,769 cards in the game can cause this (Unnerving Assault is one).
Unnerving Assault 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 (Unnerving Assault is one).
When a creature dies thanks to Unnerving Assault:
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 (Unnerving Assault is one).
When a creature dies thanks to Unnerving Assault:
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 (Unnerving Assault is one).
When a creature hits the graveyard thanks to Unnerving Assault:
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 (Unnerving Assault is one).
When Unnerving Assault 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 (Unnerving Assault 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 (Unnerving Assault is one).
When a creature leaves the battlefield thanks to Unnerving Assault:
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 (Unnerving Assault is one).
443 other cards care about it too. These are the ones with the most connections.