edhseer Commander synergy, explained
Legendary Creature — Elder Demon
Mana cost: {6}{B}{B}{B}
Flying, lifelink
Ward—Sacrifice three nonland permanents.
If a card you didn't control would be put into an opponent's graveyard from anywhere, exile it instead.
static — hits a graveyard
During your turn, you may play cards exiled with Valgavoth. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost.
read off the card itself
static — takes an opponent's cards on the way to the graveyard
Causes: exile a card.
Cares about: a card in a graveyard.
a Demon enters the battlefield — 170 cards in Valgavoth's colors can cause this (Valgavoth is one).
life is gained — 642 cards in Valgavoth's colors can cause this (Valgavoth is one).
When Valgavoth, Terror Eater gains life:
13 other cards care about it too. These are the ones with the most connections.
a card in a graveyard — 2,555 cards in Valgavoth's colors can cause this.
2,561 other cards care about it too. These are the ones with the most connections.
a creature attacks — 3,478 cards in Valgavoth's colors can cause this (Valgavoth is one).
When Valgavoth, Terror Eater attacks:
45 other cards care about it too. These are the ones with the most connections.
anything attacks — 3,478 cards in Valgavoth's colors can cause this (Valgavoth is one).
When Valgavoth, Terror Eater attacks:
7 other cards care about it too. These are the ones with the most connections.
a creature blocks — 3,478 cards in Valgavoth's colors can cause this (Valgavoth is one).
When Valgavoth, Terror Eater blocks:
3 other cards care about it too. These are the ones with the most connections.
a creature deals combat damage — 3,478 cards in Valgavoth's colors can cause this (Valgavoth is one).
61 other cards care about it too. These are the ones with the most connections.
a creature is cast — 3,493 cards in Valgavoth's colors can cause this (Valgavoth is one).
When Valgavoth, Terror Eater is cast:
8 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 3,680 cards in Valgavoth's colors can cause this (Valgavoth is one).
a creature enters the battlefield — 3,967 cards in Valgavoth's colors can cause this (Valgavoth is one).
When Valgavoth, Terror Eater enters:
36 other cards care about it too. These are the ones with the most connections.