edhseer Commander synergy, explained
Sorcery
Mana cost: {1}{W}{U}
Put target creature on top of its owner's library.
on-cast —
Awaken 4—{4}{W}{U}
on-cast — puts 4 counters on it
Causes: a creature leaves the battlefield, put a counter on anything.
Cares about: nothing.
a sorcery is cast — 3,720 cards in the game can cause this (Roil Spout is one).
When Roil Spout is cast:
424 other cards care about it too. These are the ones with the most connections.
a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Roil Spout is one).
3 other cards care about it too. These are the ones with the most connections.
a creature leaves the battlefield — 4,238 cards in the game can cause this (Roil Spout is one).
When a creature leaves the battlefield thanks to Roil Spout:
25 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 (Roil Spout is one).
When a permanent gets a counter thanks to Roil Spout:
4 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 (Roil Spout is one).
When Roil Spout is cast:
5 other cards care about it too. These are the ones with the most connections.