edhseer Commander synergy, explained
Instant
Mana cost: {1}{U}{U}
Cleave {4}{G}{U}
Draw a card for each creature you control [with flying].
on-cast — draws you cards
Causes: draw a card.
Cares about: nothing.
a card is drawn — 3,815 cards in the game can cause this (Winged Portent is one).
When Winged Portent makes a player draw a card:
57 other cards care about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (Winged Portent is one).
When Winged Portent is cast:
427 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 (Winged Portent is one).
When Winged Portent is cast:
5 other cards care about it too. These are the ones with the most connections.