edhseer Commander synergy, explained
Creature — Illusion
Mana cost: {4}{U}
When this creature deals combat damage, return it to its owner's hand.
triggered — bounce
Causes: a creature leaves the battlefield.
Cares about: nothing.
a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Leyline Phantom is one).
When Leyline Phantom leaves the battlefield:
a creature leaves the battlefield — 4,238 cards in the game can cause this (Leyline Phantom is one).
When Leyline Phantom 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 (Leyline Phantom is one).
When Leyline Phantom 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 (Leyline Phantom is one).
When Leyline Phantom attacks:
180 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 (Leyline Phantom is one).
When Leyline Phantom 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 (Leyline Phantom is one).
When Leyline Phantom attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Leyline Phantom is one).
When Leyline Phantom deals combat damage:
194 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 (Leyline Phantom is one).
When Leyline Phantom is cast:
88 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 (Leyline Phantom is one).
When Leyline Phantom enters:
299 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 (Leyline Phantom is one).
42 other cards care about it too. These are the ones with the most connections.