Sure, Participant B nonetheless takes injury from the Goblin Fireslinger. Rule 112 covers this adequately. Rule 112.3a tells us that Activating a capability places it on the stack, till it resolves, is countered (Stifle), or it in any other case leaves the stack (Time Cease). Rule 112.7a tells us that the activated potential exists unbiased of the supply, and doesn’t high quality this separation with objects shifting to a hidden zone.
112.3b Activated skills have a price and an impact. They’re written as “[Cost]: [Effect.] [Activation instructions (if any).]” A participant could activate such a capability each time she or he has precedence. Doing so places it on the stack, the place it stays till it’s countered, it resolves, or it in any other case leaves the stack. See rule 602, “Activating Activated Talents.”
112.7a As soon as activated or triggered, a capability exists on the stack independently of its supply. Destruction or removing of the supply after that point gained’t have an effect on the power.
It’s attainable that they’re complicated this with the principles relating to monitoring objects which can be shifting between zones. Usually, objects don’t have any reminiscence of their earlier existence in one other zone, and develop into new objects. There are 7 exceptions, and (d/g) are in all probability those that they’re complicated this with. These exceptions exist, as a result of playing cards like Rancor exist that must have guidelines that permit the playing cards to truly work.
400.7. An object that strikes from one zone to a different turns into a brand new object with no reminiscence of, or relation to, its earlier existence. There are seven exceptions to this rule:
400.7d Talents that set off when an object strikes from one zone to a different (for instance, “When Rancor is put right into a graveyard from the battlefield”) can discover the brand new object that it turned within the zone it moved to when the power triggered, if that zone is a public zone.
400.7g A resolving spell or activated potential can carry out actions on an object that moved from one zone to a different whereas that spell was being forged or that potential was being activated, if that object moved to a public zone.
