edhseer Commander synergy, explained
Sorcery
Mana cost: {1}{R}
Mill four cards.
on-cast — mills a card
Whenever a creature attacks this turn, it gets +1/+0 until end of turn for each creature card put into your graveyard this way.
triggered — gives +1/+0 for each creature card put into your graveyard this way
Causes: mill a card.
Cares about: a creature attacks.
a sorcery it makes cheaper to cast — 3,585 cards in the game can cause this.
3,584 other cards cause it too. These are the ones with the most connections.
a sorcery is cast — 3,720 cards in the game can cause this (Song of Blood is one).
When Song of Blood is cast:
424 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 (Song of Blood is one).
434 other cards care about it too. These are the ones with the most connections.
anything goes to a graveyard — 7,589 cards in the game can cause this (Song of Blood is one).
When a card hits the graveyard thanks to Song of Blood:
7 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 (Song of Blood is one).
When Song of Blood is cast:
5 other cards care about it too. These are the ones with the most connections.