edhseer Commander synergy, explained
Legendary Enchantment Creature — Horror
Mana cost: {4}{B}{B}{B}
Arvinox isn't a creature unless you control three or more permanents you don't own.
static —
At the beginning of your end step, exile the bottom card of each opponent's library face down. For as long as those cards remain exiled, you may look at them, you may cast permanent spells from among them, and you may spend mana as though it were mana of any color to cast those spells.
triggered —
triggered —
What a deck led by this card wants
Causes: exile a card, cast an artifact, cast a battle, cast a creature, cast an enchantment, cast a planeswalker.
Cares about: an end step.
hits creature — 2,298 cards in the game can cause this (Arvinox is one).
8 other cards care about it too. These are the ones with the most connections.
a battle is cast — 100 cards in the game can cause this (Arvinox is one).
When Arvinox, the Mind Flail is cast:
235 other cards care about it too. These are the ones with the most connections.
a planeswalker is cast — 361 cards in the game can cause this (Arvinox is one).
246 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 (Arvinox is one).
1 other card cares about it too. These are the ones with the most connections.
an enchantment is cast — 3,673 cards in the game can cause this (Arvinox is one).
When Arvinox, the Mind Flail is cast:
255 other cards care about it too. These are the ones with the most connections.
an artifact is cast — 3,683 cards in the game can cause this (Arvinox is one).
When an artifact is cast thanks to Arvinox, the Mind Flail:
271 other cards care about it too. These are the ones with the most connections.
a nontoken enchantment enters the battlefield — 3,691 cards in the game can cause this (Arvinox is one).
an enchantment enters the battlefield — 3,743 cards in the game can cause this (Arvinox is one).
When Arvinox, the Mind Flail enters:
61 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 (Arvinox is one).
When Arvinox, the Mind Flail is cast:
86 other cards care about it too. These are the ones with the most connections.