edhseer Commander synergy, explained
Creature — Vampire
Mana cost: {1}{R}
First strike
When this creature enters, exile a card from a graveyard.
triggered — hits a graveyard
Whenever a player plays a land or casts a spell, if it shares a card type with the exiled card, this creature deals 2 damage to that player.
triggered — deals 2 damage
Causes: exile a card, anything leaves a graveyard, anything deals noncombat damage.
Cares about: a spell is cast.
cast a spell — 155 cards in the game can cause this.
145 other cards cause it too. These are the ones with the most connections.
a Vampire attacks — 484 cards in the game can cause this (Cemetery Gatekeeper is one).
When Cemetery Gatekeeper attacks:
a nontoken Vampire attacks — 484 cards in the game can cause this (Cemetery Gatekeeper is one).
a Vampire creature is cast — 484 cards in the game can cause this (Cemetery Gatekeeper is one).
a Vampire deals combat damage — 484 cards in the game can cause this (Cemetery Gatekeeper is one).
When Cemetery Gatekeeper deals combat damage:
a Vampire enters the battlefield — 500 cards in the game can cause this (Cemetery Gatekeeper is one).
When Cemetery Gatekeeper enters:
anything is exiled — 2,497 cards in the game can cause this (Cemetery Gatekeeper is one).
anything leaves a graveyard — 2,503 cards in the game can cause this (Cemetery Gatekeeper is one).
When Cemetery Gatekeeper leaves a graveyard:
13 other cards care about it too. These are the ones with the most connections.
anything deals noncombat damage — 3,068 cards in the game can cause this (Cemetery Gatekeeper is one).
When Cemetery Gatekeeper deals noncombat damage:
37 other cards care about it too. These are the ones with the most connections.
life is lost — 3,160 cards in the game can cause this (Cemetery Gatekeeper is one).
When Cemetery Gatekeeper makes a player lose life:
46 other cards care about it too. These are the ones with the most connections.
a creature attacks — 17,934 cards in the game can cause this (Cemetery Gatekeeper is one).
When Cemetery Gatekeeper attacks:
186 other cards care about it too. These are the ones with the most connections.
anything attacks — 17,934 cards in the game can cause this (Cemetery Gatekeeper is one).
When Cemetery Gatekeeper attacks:
116 other cards care about it too. These are the ones with the most connections.
a creature blocks — 17,934 cards in the game can cause this (Cemetery Gatekeeper is one).
27 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 (Cemetery Gatekeeper is one).
When Cemetery Gatekeeper enters:
313 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 (Cemetery Gatekeeper is one).
40 other cards care about it too. These are the ones with the most connections.