edhseer Commander synergy, explained
Enchantment
Mana cost: {5}{U}
You may pay {0} rather than pay the mana cost for Zombie creature spells you cast.
Causes: nothing.
Cares about: nothing.
an enchantment is cast — 3,673 cards in the game can cause this (Rooftop Storm is one).
When Rooftop Storm is cast:
255 other cards care about it too. These are the ones with the most connections.
a nontoken enchantment enters the battlefield — 3,691 cards in the game can cause this (Rooftop Storm is one).
an enchantment enters the battlefield — 3,743 cards in the game can cause this (Rooftop Storm is one).
When Rooftop Storm enters:
58 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Rooftop Storm is one).
20 other cards care about it too. These are the ones with the most connections.