edhseer Commander synergy, explained
Sorcery
Mana cost: {2}{R}{R}{R}
Damage can't be prevented this turn. If a source you control would deal damage this turn to an opponent or a permanent an opponent controls, it deals triple that damage instead.
on-cast — triples the damage
Flashback {4}{R}{R}{R}
Causes: triple permanent .
Cares about: nothing.
a sorcery is cast — 3,720 cards in the game can cause this (Isengard Unleashed is one).
When Isengard Unleashed 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 (Isengard Unleashed is one).
When Isengard Unleashed is cast:
5 other cards care about it too. These are the ones with the most connections.