edhseer Commander synergy, explained
Instant
Mana cost: {1}{U}
Untap all nonland permanents you control.
on-cast — untaps a permanent
Causes: untap an artifact, untap a battle, untap a creature, untap an enchantment, untap a planeswalker.
Cares about: nothing.
a creature untaps — 519 cards in the game can cause this (Dramatic Reversal is one).
an instant is cast — 3,931 cards in the game can cause this (Dramatic Reversal is one).
When Dramatic Reversal 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 (Dramatic Reversal is one).
When Dramatic Reversal is cast:
5 other cards care about it too. These are the ones with the most connections.