edhseer Commander synergy, explained
Instant
Mana cost: {2}{U}
Look at the top five cards of target opponent's library, then put them back in any order.
on-cast — sets the top of a library
Look at the top five cards of your library, then put them back in any order.
on-cast — sets the top of a library
Entwine {U}
Causes: you face a dilemma.
Cares about: nothing.
you face a dilemma — 739 cards in the game can cause this (Second Sight is one).
When Second Sight poses a dilemma:
an instant is cast — 3,931 cards in the game can cause this (Second Sight is one).
When Second Sight 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 (Second Sight is one).
When Second Sight is cast:
5 other cards care about it too. These are the ones with the most connections.