edhseer Commander synergy, explained
Creature — Elemental
Mana cost: {3}{U}
When this creature enters, return another creature you control to its owner's hand.
triggered — bounce
Causes: a creature leaves the battlefield.
Cares about: nothing.
anything leaves the battlefield — 1 card in the game can cause this (Yarok's Wavecrasher is one).
an Elemental enters the battlefield — 754 cards in the game can cause this (Yarok's Wavecrasher is one).
When Yarok's Wavecrasher enters:
a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Yarok's Wavecrasher is one).
When a creature leaves the battlefield thanks to Yarok's Wavecrasher:
a creature leaves the battlefield — 4,238 cards in the game can cause this (Yarok's Wavecrasher is one).
22 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 (Yarok's Wavecrasher is one).
When Yarok's Wavecrasher 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 (Yarok's Wavecrasher is one).
When Yarok's Wavecrasher attacks:
182 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 (Yarok's Wavecrasher is one).
When Yarok's Wavecrasher blocks:
18 other cards care about it too. These are the ones with the most connections.
a nontoken creature attacks — 17,934 cards in the game can cause this (Yarok's Wavecrasher is one).
When Yarok's Wavecrasher attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Yarok's Wavecrasher is one).
When Yarok's Wavecrasher deals combat damage:
194 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 (Yarok's Wavecrasher is one).
When Yarok's Wavecrasher 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 (Yarok's Wavecrasher is one).
43 other cards care about it too. These are the ones with the most connections.