edhseer Commander synergy, explained
Instant
Mana cost: {U}
As an additional cost to cast this spell, sacrifice a legendary creature or pay {2}.
on-cast —
Counter target activated ability, triggered ability, or noncreature spell.
on-cast —
Causes: sacrifice a creature, a creature dies, counter an artifact, counter a battle, counter an enchantment, counter an instant, counter a planeswalker, counter a sorcery.
Cares about: a creature to sacrifice.
anything leaves the battlefield — 1 card in the game can cause this (Louisoix's Sacrifice is one).
a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Louisoix's Sacrifice is one).
When a creature is sacrificed thanks to Louisoix's Sacrifice:
a creature is sacrificed — 1,741 cards in the game can cause this (Louisoix's Sacrifice is one).
When a creature is sacrificed thanks to Louisoix's Sacrifice:
19 other cards care about it too. These are the ones with the most connections.
a creature in a graveyard — 2,769 cards in the game can cause this (Louisoix's Sacrifice is one).
Louisoix's Sacrifice 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 (Louisoix's Sacrifice is one).
When a creature dies thanks to Louisoix's Sacrifice:
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 (Louisoix's Sacrifice is one).
When a creature dies thanks to Louisoix's Sacrifice:
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 (Louisoix's Sacrifice is one).
When a creature hits the graveyard thanks to Louisoix's Sacrifice:
12 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 (Louisoix's Sacrifice is one).
When Louisoix's Sacrifice is cast:
432 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 (Louisoix's Sacrifice is one).
32 other cards care about it too. These are the ones with the most connections.
a permanent is put into a graveyard from the battlefield — 5,057 cards in the game can cause this (Louisoix's Sacrifice is one).
15 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 (Louisoix's Sacrifice is one).
Louisoix's Sacrifice:
437 other cards care about it too. These are the ones with the most connections.