edhseer Commander synergy, explained
Instant
Mana cost: {1}{W}
All creatures gain hexproof and indestructible until end of turn. Players gain hexproof until end of turn. Players can't lose life this turn and players can't lose the game or win the game this turn.
on-cast — grants a keyword
Causes: nothing.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (Everybody Lives! is one).
When Everybody Lives! 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 (Everybody Lives! is one).
When Everybody Lives! is cast:
5 other cards care about it too. These are the ones with the most connections.