edhseer Commander synergy, explained
Instant
Mana cost: {2}{B}
Search your library for a nonland card and reveal it. Each opponent who cast a spell this turn with the same name as that card loses 6 life. Then shuffle.
on-cast — searches a library
on-cast — makes each opponent lose 6 life
on-cast —
Return this card from your graveyard to your hand. Activate only during your upkeep.
activated {B}{B} — brings a card back
Causes: search artifact , search battle , search creature , search enchantment , search instant , search planeswalker , search sorcery , make a player lose life, shuffle a library, anything leaves a graveyard.
Cares about: an upkeep.
an instant leaves a graveyard — 202 cards in the game can cause this (Grim Reminder is one).
anything leaves a graveyard — 2,503 cards in the game can cause this (Grim Reminder is one).
When Grim Reminder leaves a graveyard:
13 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 (Grim Reminder is one).
When a permanent makes a player lose life thanks to Grim Reminder:
46 other cards care about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (Grim Reminder is one).
When Grim Reminder is cast:
427 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 (Grim Reminder is one).
When Grim Reminder is cast:
5 other cards care about it too. These are the ones with the most connections.