edhseer Commander synergy, explained
Sorcery
Mana cost: {U}
Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.
on-cast — sets the top of a library
on-cast —
Draw a card at the beginning of the next turn's upkeep.
on-cast — draws you 1 card
Causes: shuffle a library, draw a card.
Cares about: an upkeep.
a sorcery is cast — 3,720 cards in the game can cause this (Portent is one).
When Portent is cast:
424 other cards care about it too. These are the ones with the most connections.
a card is drawn — 3,815 cards in the game can cause this (Portent is one).
When Portent makes a player draw a card:
57 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 is one).
When Portent is cast:
5 other cards care about it too. These are the ones with the most connections.