edhseer Commander synergy, explained
Legendary Creature — Human Knight
Mana cost: {1}{W}
Choose another target creature. Its controller may exile it with an aegis counter on it.
activated {1}{W} —
Return all exiled cards with aegis counters on them to the battlefield under their owners' control.
activated {2}{W}, {T} — blinks a permanent
Partner
What a deck led by this card wants
Causes: exile a creature, a creature leaves the battlefield, put anything onto the battlefield.
Cares about: nothing.
a Knight attacks — 547 cards in the game can cause this (Livio is one).
a Knight deals combat damage — 547 cards in the game can cause this (Livio is one).
a Knight enters the battlefield — 592 cards in the game can cause this (Livio is one).
When Livio, Oathsworn Sentinel enters:
a creature is exiled — 1,003 cards in the game can cause this (Livio is one).
When a creature is exiled thanks to Livio, Oathsworn Sentinel:
4 other cards care about it too. These are the ones with the most connections.
anything is exiled — 2,497 cards in the game can cause this (Livio is one).
1 other card cares 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 (Livio 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 (Livio is one).
When a creature leaves the battlefield thanks to Livio, Oathsworn Sentinel:
27 other cards care about it too. These are the ones with the most connections.
a Human enters the battlefield — 4,639 cards in the game can cause this (Livio is one).
When Livio, Oathsworn Sentinel enters:
2 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 (Livio is one).
When Livio, Oathsworn Sentinel attacks:
113 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 (Livio is one).
When Livio, Oathsworn Sentinel attacks:
184 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 (Livio is one).
When Livio, Oathsworn Sentinel blocks:
25 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 (Livio is one).
When Livio, Oathsworn Sentinel is cast:
89 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 (Livio is one).
When Livio, Oathsworn Sentinel 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 (Livio is one).
40 other cards care about it too. These are the ones with the most connections.