edhseer Commander synergy, explained
Legendary Creature — Elder Demon
Mana cost: {3}{B}{B}
Flying
Create a Blood token. If you sacrificed an Angel this way, create a number of Blood tokens equal to its toughness instead.
activated Sacrifice another creature —
activated Sacrifice another creature — makes a token
activated Sacrifice another creature — makes its toughness tokens
Return each creature card from your graveyard to the battlefield with a finality counter on it. Those creatures are Vampires in addition to their other types.
activated {W/B}{W/B}{W/B}, Sacrifice six Blood tokens —
activated {W/B}{W/B}{W/B}, Sacrifice six Blood tokens — brings a card back
activated {W/B}{W/B}{W/B}, Sacrifice six Blood tokens — puts a counter on it
activated {W/B}{W/B}{W/B}, Sacrifice six Blood tokens — grants a keyword
What a deck led by this card wants
Causes: sacrifice a creature, a creature dies, create a Blood artifact token, put a Blood artifact token onto the battlefield, sacrifice a Blood artifact token, a Blood artifact token is put into a graveyard from the battlefield, put a creature onto the battlefield, a creature leaves a graveyard, put a counter on anything.
Cares about: a creature to sacrifice, a Blood to sacrifice, a creature in a graveyard.
anything leaves the battlefield — 1 card in the game can cause this (Shilgengar is one).
a Blood token is sacrificed — 7 cards in the game can cause this (Shilgengar is one).
When a Blood is sacrificed thanks to Shilgengar, Sire of Famine:
a Blood token is created — 39 cards in the game can cause this (Shilgengar is one).
a token is sacrificed — 90 cards in the game can cause this (Shilgengar is one).
When a Blood is sacrificed thanks to Shilgengar, Sire of Famine:
a token is put into a graveyard from the battlefield — 122 cards in the game can cause this (Shilgengar is one).
a token leaves the battlefield — 182 cards in the game can cause this (Shilgengar is one).
When a Blood leaves the battlefield thanks to Shilgengar, Sire of Famine:
4 other cards care about it too. These are the ones with the most connections.
a Demon enters the battlefield — 284 cards in the game can cause this (Shilgengar is one).
When Shilgengar, Sire of Famine enters:
an artifact is sacrificed — 761 cards in the game can cause this (Shilgengar is one).
4 other cards care about it too. These are the ones with the most connections.
an artifact is put into a graveyard from the battlefield — 1,254 cards in the game can cause this (Shilgengar is one).
When a Blood is put into a graveyard from the battlefield thanks to Shilgengar, Sire of Famine:
31 other cards care about it too. These are the ones with the most connections.
a creature leaves a graveyard — 1,302 cards in the game can cause this (Shilgengar is one).
When Shilgengar, Sire of Famine leaves a graveyard:
3 other cards care about it too. These are the ones with the most connections.
an artifact leaves the battlefield — 1,680 cards in the game can cause this (Shilgengar is one).
a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Shilgengar is one).
When you sacrifice another creature to Shilgengar, Sire of Famine:
a creature is sacrificed — 1,741 cards in the game can cause this (Shilgengar is one).
When you sacrifice another creature to Shilgengar, Sire of Famine:
20 other cards care about it too. These are the ones with the most connections.
put a creature into a graveyard — 2,769 cards in the game can cause this.
2,759 other cards cause it too. These are the ones with the most connections.
an artifact it grants types to — 4,531 cards in the game can cause this.
4,530 other cards cause it too. These are the ones with the most connections.
a creature enters the battlefield — 19,800 cards in the game can cause this (Shilgengar is one).
476 other cards care about it too. These are the ones with the most connections.