edhseer Commander synergy, explained
Instant
Mana cost: {2}{U}{U}
Exile all other spells and counter all abilities.
on-cast —
on-cast —
Causes: exile a spell, a spell leaves the battlefield, counter a spell.
Cares about: nothing.
anything is exiled — 2,497 cards in the game can cause this (Summary Dismissal is one).
an instant is cast — 3,931 cards in the game can cause this (Summary Dismissal is one).
When Summary Dismissal 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 (Summary Dismissal is one).
When Summary Dismissal is cast:
5 other cards care about it too. These are the ones with the most connections.