edhseer Commander synergy, explained
Sorcery
Mana cost: {X}{U}{U}
Return all nonland permanents with mana value X or less to their owners' hands.
on-cast — bounce
Causes: an artifact leaves the battlefield, a battle leaves the battlefield, a creature leaves the battlefield, an enchantment leaves the battlefield, a planeswalker leaves the battlefield.
Cares about: nothing.
an enchantment leaves the battlefield — 1 card in the game can cause this (Displacement Wave is one).
anything leaves the battlefield — 1 card in the game can cause this (Displacement Wave is one).
an artifact leaves the battlefield — 1,680 cards in the game can cause this (Displacement Wave is one).
a sorcery is cast — 3,720 cards in the game can cause this (Displacement Wave is one).
When Displacement Wave 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 (Displacement Wave is one).
When a creature leaves the battlefield thanks to Displacement Wave:
1 other card cares 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 (Displacement Wave is one).
19 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 (Displacement Wave is one).
When Displacement Wave is cast:
5 other cards care about it too. These are the ones with the most connections.