edhseer Commander synergy, explained
Sorcery
Mana cost: {1}{R}
If you control an Eldrazi Spawn, create three 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}." Otherwise, create one of those tokens.
on-cast — makes 3 tokens
on-cast — grants a keyword
on-cast — makes a token
Causes: create an Eldrazi creature token, create a Spawn creature token, put an Eldrazi creature token onto the battlefield, put a Spawn creature token onto the battlefield, create a token, put a token onto the battlefield.
Cares about: nothing.
provide a creature to sacrifice — 2,720 cards in the game can cause this.
2,717 other cards cause it too. These are the ones with the most connections.
a creature token enters the battlefield — 2,799 cards in the game can cause this (Brood Birthing is one).
When an Eldrazi or Spawn enters thanks to Brood Birthing:
a creature token is created — 2,799 cards in the game can cause this (Brood Birthing is one).
3 other cards care about it too. These are the ones with the most connections.
a token enters the battlefield — 3,710 cards in the game can cause this (Brood Birthing is one).
When an Eldrazi or Spawn enters thanks to Brood Birthing:
3 other cards care about it too. These are the ones with the most connections.
a token is created — 3,711 cards in the game can cause this (Brood Birthing is one).
When Brood Birthing makes an Eldrazi or Spawn token:
17 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 (Brood Birthing is one).
When Brood Birthing is cast:
424 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 (Brood Birthing is one).
When an Eldrazi or Spawn enters thanks to Brood Birthing:
328 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 (Brood Birthing is one).
35 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 (Brood Birthing is one).
When Brood Birthing is cast:
5 other cards care about it too. These are the ones with the most connections.