edhseer Commander synergy, explained
Sorcery
Mana cost: {4}{B}
Put target creature card from a graveyard onto the battlefield under your control.
on-cast — brings a card back
If there are two or more instant and/or sorcery cards in your graveyard, that creature enters with two additional +1/+1 counters on it.
on-cast — arrives with counters
Causes: put a creature onto the battlefield, a creature leaves a graveyard, put a counter on anything.
Cares about: a creature in a graveyard, an instant in a graveyard, a sorcery in a graveyard.
put an instant into a graveyard — 2 cards in the game can cause this.
a creature leaves a graveyard — 1,302 cards in the game can cause this (Necromantic Summons is one).
When a creature leaves a graveyard thanks to Necromantic Summons:
3 other cards care about it too. These are the ones with the most connections.
anything leaves a graveyard — 2,503 cards in the game can cause this (Necromantic Summons is one).
When a creature leaves a graveyard thanks to Necromantic Summons:
13 other cards care about it too. These are the ones with the most connections.
a sorcery is cast — 3,720 cards in the game can cause this (Necromantic Summons is one).
When Necromantic Summons is cast:
424 other cards care about it too. These are the ones with the most connections.
anything gets a counter — 4,415 cards in the game can cause this (Necromantic Summons is one).
7 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Necromantic Summons is one).
When a creature enters thanks to Necromantic Summons:
23 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 19,800 cards in the game can cause this (Necromantic Summons is one).
298 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 (Necromantic Summons is one).
20 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 (Necromantic Summons is one).
When Necromantic Summons is cast:
9 other cards care about it too. These are the ones with the most connections.