edhseer Commander synergy, explained
Creature — Demon Spirit
Mana cost: {5}{R}
Haste
At the beginning of your upkeep, return a red creature you control to its owner's hand.
triggered — bounce
Causes: a creature leaves the battlefield.
Cares about: an upkeep.
anything leaves the battlefield — 1 card in the game can cause this (Oni of Wild Places is one).
hits creature — 2,298 cards in the game can cause this.
10 other cards care about it too. These are the ones with the most connections.
a Demon enters the battlefield — 284 cards in the game can cause this (Oni of Wild Places is one).
When Oni of Wild Places enters:
a nontoken Spirit deals combat damage — 725 cards in the game can cause this (Oni of Wild Places is one).
a nontoken Spirit enters the battlefield — 727 cards in the game can cause this (Oni of Wild Places is one).
a Spirit enters the battlefield — 863 cards in the game can cause this (Oni of Wild Places is one).
When Oni of Wild Places enters:
a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Oni of Wild Places is one).
When Oni of Wild Places leaves the battlefield:
a creature leaves the battlefield — 4,238 cards in the game can cause this (Oni of Wild Places is one).
When Oni of Wild Places leaves the battlefield:
21 other cards care about it too. These are the ones with the most connections.
anything attacks — 17,934 cards in the game can cause this (Oni of Wild Places is one).
When Oni of Wild Places attacks:
112 other cards care about it too. These are the ones with the most connections.
a creature attacks — 17,934 cards in the game can cause this (Oni of Wild Places is one).
When Oni of Wild Places attacks:
183 other cards care about it too. These are the ones with the most connections.
a creature blocks — 17,934 cards in the game can cause this (Oni of Wild Places is one).
27 other cards care about it too. These are the ones with the most connections.
a creature is cast — 18,010 cards in the game can cause this (Oni of Wild Places is one).
90 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 19,800 cards in the game can cause this (Oni of Wild Places is one).
When Oni of Wild Places enters:
301 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Oni of Wild Places is one).
43 other cards care about it too. These are the ones with the most connections.