edhseer Commander synergy, explained
Sorcery
Mana cost: {R}{R}{R}{R}
Add {R}{R}{R}{R}{R}{R}{R}. Spend this mana only to cast artifact or creature spells.
on-cast — adds 7 mana
Causes: nothing.
Cares about: nothing.
a sorcery is cast — 3,720 cards in the game can cause this (Geosurge is one).
When Geosurge 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 (Geosurge is one).
When Geosurge is cast:
5 other cards care about it too. These are the ones with the most connections.