edhseer Commander synergy, explained
Legendary Creature — Bird Serpent
Mana cost: {3}{W/U}{W/U}
Your starting deck contains at least twenty cards more than the minimum deck size.
Flying
When Yorion enters, exile any number of other nonland permanents you own and control. Return those cards to the battlefield at the beginning of the next end step.
triggered —
triggered — blinks a permanent
Causes: exile an artifact, exile a battle, exile a creature, exile an enchantment, exile a planeswalker, 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, put an artifact onto the battlefield, put a battle onto the battlefield, put a creature onto the battlefield, put an enchantment onto the battlefield, put a planeswalker onto the battlefield.
Cares about: nothing.
a battle enters the battlefield — 44 cards in Yorion's colors can cause this (Yorion is one).
a nontoken artifact is exiled — 187 cards in Yorion's colors can cause this (Yorion is one).
a planeswalker enters the battlefield — 131 cards in Yorion's colors can cause this (Yorion is one).
2 other cards care about it too. These are the ones with the most connections.
a Bird attacks — 350 cards in Yorion's colors can cause this (Yorion is one).
a Bird deals combat damage — 350 cards in Yorion's colors can cause this (Yorion is one).
a nontoken Bird enters the battlefield — 351 cards in Yorion's colors can cause this (Yorion is one).
a Bird enters the battlefield — 386 cards in Yorion's colors can cause this (Yorion is one).
1 other card cares about it too. These are the ones with the most connections.
a nontoken creature is exiled — 505 cards in Yorion's colors can cause this (Yorion is one).
a creature is exiled — 508 cards in Yorion's colors can cause this (Yorion is one).
anything is exiled — 1,050 cards in Yorion's colors can cause this (Yorion is one).
a nontoken enchantment enters the battlefield — 1,590 cards in Yorion's colors can cause this (Yorion is one).
an enchantment enters the battlefield — 1,607 cards in Yorion's colors can cause this (Yorion is one).
26 other cards care about it too. These are the ones with the most connections.
a nontoken artifact enters the battlefield — 2,858 cards in Yorion's colors can cause this (Yorion is one).
When an artifact enters thanks to Yorion, Sky Nomad:
a creature leaves the battlefield — 1,662 cards in Yorion's colors can cause this (Yorion is one).
7 other cards care about it too. These are the ones with the most connections.
an artifact enters the battlefield — 3,114 cards in Yorion's colors can cause this (Yorion is one).
21 other cards care about it too. These are the ones with the most connections.
a creature attacks — 6,349 cards in Yorion's colors can cause this (Yorion is one).
When Yorion, Sky Nomad attacks:
82 other cards care about it too. These are the ones with the most connections.
anything attacks — 6,349 cards in Yorion's colors can cause this (Yorion is one).
When Yorion, Sky Nomad attacks:
35 other cards care about it too. These are the ones with the most connections.
a creature blocks — 6,349 cards in Yorion's colors can cause this (Yorion is one).
When Yorion, Sky Nomad blocks:
8 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 7,093 cards in Yorion's colors can cause this (Yorion is one).
When Yorion, Sky Nomad enters:
124 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 10,721 cards in Yorion's colors can cause this (Yorion is one).
11 other cards care about it too. These are the ones with the most connections.