edhseer Commander synergy, explained
Instant
Mana cost: {3}{G/U}
Creatures your opponents control lose flying until end of turn if {G} was spent to cast this spell, and creatures you control gain flying until end of turn if {U} was spent to cast this spell.
on-cast — grants a keyword
Causes: nothing.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (Invert the Skies is one).
When Invert the Skies 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 (Invert the Skies is one).
When Invert the Skies is cast:
5 other cards care about it too. These are the ones with the most connections.