edhseer Commander synergy, explained
Instant
Mana cost: {4}{U}{U}
Counter target spell. You may cast a spell that shares a card type with it from your hand without paying its mana cost.
on-cast —
on-cast —
Causes: counter a spell, cast a spell.
Cares about: nothing.
a spell is cast — 155 cards in the game can cause this (Counterlash is one).
When a spell is cast thanks to Counterlash:
452 other cards care about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (Counterlash is one).
When a spell is cast thanks to Counterlash:
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 (Counterlash is one).
When a spell is cast thanks to Counterlash:
2 other cards care about it too. These are the ones with the most connections.