edhseer Commander synergy, explained
Sorcery
Mana cost: {X}{U}
Reveal the top X cards of your library. For each card type, you may exile a card of that type from among them. Put the rest into your graveyard. You may cast a spell from among the exiled cards without paying its mana cost if you exiled four or more cards this way. Then put the rest of the exiled cards into your hand.
on-cast —
on-cast — mills a card
on-cast —
Causes: exile a card, mill a card, cast a spell.
Cares about: nothing.
a spell is cast — 155 cards in the game can cause this (Portent of Calamity is one).
453 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 (Portent of Calamity is one).
a sorcery is cast — 3,720 cards in the game can cause this (Portent of Calamity is one).
When Portent of Calamity is cast:
424 other cards care about it too. These are the ones with the most connections.
a card in a graveyard — 7,589 cards in the game can cause this (Portent of Calamity 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 (Portent of Calamity is one).
When a card hits the graveyard thanks to Portent of Calamity:
7 other cards care about it too. These are the ones with the most connections.
anything is cast — 31,128 cards in the game can cause this (Portent of Calamity is one).
When Portent of Calamity is cast:
2 other cards care about it too. These are the ones with the most connections.