edhseer Commander synergy, explained
Enchantment
Mana cost: {U}{U}
Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card.
triggered —
Causes: counter a spell.
Cares about: a spell is cast.
an enchantment is cast — 3,673 cards in the game can cause this (Counterbalance is one).
When Counterbalance is cast:
255 other cards care about it too. These are the ones with the most connections.
a nontoken enchantment enters the battlefield — 3,691 cards in the game can cause this (Counterbalance is one).
an enchantment enters the battlefield — 3,743 cards in the game can cause this (Counterbalance is one).
When Counterbalance enters:
59 other cards care about it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Counterbalance is one).
20 other cards care about it too. These are the ones with the most connections.