edhseer Commander synergy, explained
Instant
Mana cost: {2}{U}{U}
Choose artifact, creature, or land. Tap all untapped permanents of the chosen type target player controls, or untap all tapped permanents of that type that player controls.
on-cast —
on-cast — untaps a permanent
Causes: tap a permanent, untap a permanent.
Cares about: nothing.
a permanent becomes tapped — 45 cards in the game can cause this (Turnabout is one).
a permanent untaps — 66 cards in the game can cause this (Turnabout is one).
When a permanent untaps thanks to Turnabout:
anything becomes tapped — 699 cards in the game can cause this (Turnabout is one).
1 other card cares about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (Turnabout is one).
When Turnabout 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 (Turnabout is one).
When Turnabout is cast:
5 other cards care about it too. These are the ones with the most connections.