edhseer Commander synergy, explained
Sorcery
Mana cost: {2}{B}
Devoid
Creatures you control get +2/+0 until end of turn. Colorless creatures you control also gain first strike until end of turn.
on-cast — gives +2/+0
on-cast — grants a keyword
Causes: nothing.
Cares about: nothing.
a sorcery is cast — 3,720 cards in the game can cause this (Swarm Surge is one).
When Swarm Surge 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 (Swarm Surge is one).
When Swarm Surge is cast:
5 other cards care about it too. These are the ones with the most connections.