edhseer Commander synergy, explained
Sorcery
Mana cost: {G}{U}
Put a +1/+1 counter on up to one target creature you control. Tap up to one target creature you don't control, and that creature doesn't untap during its controller's next untap step.
on-cast — puts a counter on it
on-cast —
on-cast — keeps permanents from untapping
Flashback {1}{G}{U}
Causes: put a counter on a creature, tap a creature.
Cares about: nothing.
a creature becomes tapped — 565 cards in the game can cause this (Winterthorn Blessing is one).
When a creature becomes tapped thanks to Winterthorn Blessing:
11 other cards care about it too. These are the ones with the most connections.
a creature gets a counter — 2,691 cards in the game can cause this (Winterthorn Blessing is one).
When a creature gets a counter thanks to Winterthorn Blessing:
31 other cards care about it too. These are the ones with the most connections.
a sorcery is cast — 3,720 cards in the game can cause this (Winterthorn Blessing is one).
When Winterthorn Blessing is cast:
424 other cards care about it too. These are the ones with the most connections.
anything gets a counter — 4,415 cards in the game can cause this (Winterthorn Blessing is one).
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 (Winterthorn Blessing is one).
When Winterthorn Blessing is cast:
5 other cards care about it too. These are the ones with the most connections.