edhseer Commander synergy, explained
Instant
Mana cost: {U}{U}
As an additional cost to cast this spell, tap an untapped artifact you control or pay {1}.
Counter target spell.
on-cast —
Causes: counter a spell.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (Disruption Protocol is one).
When Disruption Protocol 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 (Disruption Protocol is one).
When Disruption Protocol is cast:
5 other cards care about it too. These are the ones with the most connections.