Angel's Grace [SOA - 2] Edge of Eternities Stellar Sights and its activated abilities can't

and its activated abilities can't be activated unless they're mana abilities

When Starling enters

—Raff Slugeater

Rules Text Contains: Creatures you control have vigilance and "T: Surveil 1

Angel's Grace [SOA - 2] Edge of Eternities Stellar Sights and its activated abilities can'tRarity: R #: 2 Creature Type or Sub Type: Instant Rules Text Contains: Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) You can't lose the game this turn and your opponents can't win the game this turn. Until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead.