edhseer Commander synergy, explained
Instant
Mana cost: {U}
As an additional cost to cast this spell, you may collect evidence 6.
on-cast —
Until end of turn, target artifact or creature becomes an artifact creature with base power and toughness 4/3. If evidence was collected, it has base power and toughness 1/1 until end of turn instead.
on-cast — turns something into a creature
Causes: collect evidence.
Cares about: nothing.
you collect evidence — 18 cards in the game can cause this (Behind the Mask is one).
When Behind the Mask collects evidence:
an instant is cast — 3,931 cards in the game can cause this (Behind the Mask is one).
When Behind the Mask 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 (Behind the Mask is one).
When Behind the Mask is cast:
5 other cards care about it too. These are the ones with the most connections.