edhseer Commander synergy, explained
Sorcery
Mana cost: {X}{B}{B}
Each creature with mana value X or less loses all abilities until end of turn. Destroy those creatures.
on-cast — grants a keyword
Causes: nothing.
Cares about: nothing.
a sorcery is cast — 3,720 cards in the game can cause this (Day of Black Sun is one).
When Day of Black Sun is cast:
424 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 (Day of Black Sun is one).
When Day of Black Sun is cast:
5 other cards care about it too. These are the ones with the most connections.