edhseer Commander synergy, explained
Instant
Mana cost: {W}
Target permanent you control gains protection from the color of your choice until end of turn.
on-cast — grants a keyword
If you have 5 or less life, instead you and each permanent you control gain protection from the color of your choice until end of turn.
on-cast — grants a keyword
Causes: nothing.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (Faith's Shield is one).
When Faith's Shield 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 (Faith's Shield is one).
When Faith's Shield is cast:
5 other cards care about it too. These are the ones with the most connections.