edhseer Commander synergy, explained
Artifact
Mana cost: {2}{R}
Whenever you cast an instant or sorcery spell, put a charge counter on this artifact.
triggered — puts a counter on it
It deals that much damage to any target.
activated {1}{R}, {T}, Remove any number of charge counters from this artifact —
activated {1}{R}, {T}, Remove any number of charge counters from this artifact — deals that much damage
Exile the top card of your library. You may play that card this turn.
activated {1}{R}, {T} —
Causes: put a counter on anything, remove a counter from anything, anything deals noncombat damage, exile a card.
Cares about: an instant is cast, a sorcery is cast.
anything is exiled — 2,497 cards in the game can cause this (Geistflame Reservoir is one).
anything deals noncombat damage — 3,068 cards in the game can cause this (Geistflame Reservoir is one).
When Geistflame Reservoir deals noncombat damage:
36 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 (Geistflame Reservoir is one).
When Geistflame Reservoir makes a player lose life:
46 other cards care about it too. These are the ones with the most connections.
an artifact is cast — 3,683 cards in the game can cause this (Geistflame Reservoir is one).
When Geistflame Reservoir is cast:
271 other cards care about it too. These are the ones with the most connections.
cast a sorcery — 3,720 cards in the game can cause this.
3,710 other cards cause it too. These are the ones with the most connections.
a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Geistflame Reservoir is one).
When Geistflame Reservoir enters:
cast an instant — 3,931 cards in the game can cause this.
3,921 other cards cause it too. These are the ones with the most connections.
anything gets a counter — 4,415 cards in the game can cause this (Geistflame Reservoir is one).
7 other cards care about it too. These are the ones with the most connections.
an artifact enters the battlefield — 4,643 cards in the game can cause this (Geistflame Reservoir is one).
When Geistflame Reservoir enters:
57 other cards care about it too. These are the ones with the most connections.
anything is dealt damage — 19,812 cards in the game can cause this (Geistflame Reservoir is one).
When Geistflame Reservoir is dealt damage:
5 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 (Geistflame Reservoir is one).
11 other cards care about it too. These are the ones with the most connections.