edhseer Commander synergy, explained
Creature — Leviathan Horror
Mana cost: {3}{U}{B}
Whenever this creature attacks, defending player mills ten cards.
triggered — mills a card
Causes: mill a card.
Cares about: nothing.
a Horror deals combat damage — 382 cards in the game can cause this (Nemesis of Reason is one).
a card is milled — 772 cards in the game can cause this (Nemesis of Reason is one).
a card in a graveyard — 7,589 cards in the game can cause this (Nemesis of Reason is one).
434 other cards care about it too. These are the ones with the most connections.
anything goes to a graveyard — 7,589 cards in the game can cause this (Nemesis of Reason is one).
When a card hits the graveyard thanks to Nemesis of Reason:
5 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 (Nemesis of Reason is one).
When Nemesis of Reason attacks:
116 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 (Nemesis of Reason is one).
When Nemesis of Reason attacks:
188 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 (Nemesis of Reason is one).
When Nemesis of Reason blocks:
25 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 (Nemesis of Reason is one).
2 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Nemesis of Reason is one).
32 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 (Nemesis of Reason is one).
When Nemesis of Reason enters:
341 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 (Nemesis of Reason is one).
55 other cards care about it too. These are the ones with the most connections.