edhseer Commander synergy, explained
Sorcery
Mana cost: {3}{R}{R}
Add {R} for each card in target opponent's hand. Until end of turn, you don't lose this mana as steps and phases end. Exile Rousing Refrain with three time counters on it.
on-cast —
on-cast — puts 3 counters on it
on-cast — adds mana
Suspend 3—{1}{R}
Causes: exile a card, anything leaves the battlefield, put a counter on anything.
Cares about: nothing.
anything is exiled — 2,497 cards in the game can cause this (Rousing Refrain is one).
a sorcery is cast — 3,720 cards in the game can cause this (Rousing Refrain is one).
When Rousing Refrain is cast:
424 other cards care about it too. These are the ones with the most connections.
anything gets a counter — 4,415 cards in the game can cause this (Rousing Refrain is one).
7 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 (Rousing Refrain is one).
When Rousing Refrain is cast:
5 other cards care about it too. These are the ones with the most connections.