edhseer Commander synergy, explained
Legendary Creature — Human Minion
Mana cost: {3}{B}{B}
All Nightmares get +1/+1.
static — gives +1/+1
Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types.
activated {B}{B}{B}, Pay 3 life —
activated {B}{B}{B}, Pay 3 life — brings a card back
activated {B}{B}{B}, Pay 3 life — grants a keyword
activated {B}{B}{B}, Pay 3 life — grants a keyword
When Chainer leaves the battlefield, exile all Nightmares.
triggered —
Causes: make a player lose life, put a creature onto the battlefield, a creature leaves a graveyard, exile a Nightmare, a Nightmare leaves the battlefield.
Cares about: a creature in a graveyard, a Nightmare it boosts.
anything leaves the battlefield — 1 card in Chainer's colors can cause this.
When Chainer, Dementia Master leaves the battlefield thanks to:
a creature leaves a graveyard — 645 cards in Chainer's colors can cause this (Chainer is one).
When Chainer, Dementia Master leaves a graveyard:
anything leaves a graveyard — 955 cards in Chainer's colors can cause this (Chainer is one).
When Chainer, Dementia Master leaves a graveyard:
put a creature into a graveyard — 1,237 cards in Chainer's colors can cause this.
1,227 other cards cause it too. These are the ones with the most connections.
life is lost — 1,256 cards in Chainer's colors can cause this (Chainer is one).
When Chainer, Dementia Master makes a player lose life:
17 other cards care about it too. These are the ones with the most connections.
a creature attacks — 3,478 cards in Chainer's colors can cause this (Chainer is one).
When Chainer, Dementia Master attacks:
45 other cards care about it too. These are the ones with the most connections.
anything attacks — 3,478 cards in Chainer's colors can cause this (Chainer is one).
When Chainer, Dementia Master attacks:
7 other cards care about it too. These are the ones with the most connections.
a creature blocks — 3,478 cards in Chainer's colors can cause this (Chainer is one).
When Chainer, Dementia Master 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 Chainer's colors can cause this (Chainer is one).
62 other cards care about it too. These are the ones with the most connections.
a creature is cast — 3,493 cards in Chainer's colors can cause this (Chainer is one).
When Chainer, Dementia Master is cast:
10 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 3,967 cards in Chainer's colors can cause this (Chainer is one).
57 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 6,402 cards in Chainer's colors can cause this (Chainer is one).
5 other cards care about it too. These are the ones with the most connections.