Sure, Participant B nonetheless takes injury from Goblin Fireslinger. Rule 112 covers this adequately. Rule 112.3a tells us that Activating a capability places it on the stack, till it resolves, it’s countered (Stifle), or else pops off the stack (Time cease). Rule 112.7a tells us that the activated potential exists independently of the supply and doesn’t qualify this separation with objects transferring to a hidden space.
112.3b Activated talents have a value and an impact. They’re written as “(Value): (Impact) (Activation directions (if any))”. A participant can activate stated potential so long as he has precedence. Doing so locations it on the stack, the place it stays till it’s countered, resolved, or in any other case leaves the stack. See rule 602, “Activation of activated talents.”
112.7a As soon as activated or triggered, a capability exists on the stack no matter its supply. Destroying or eradicating the supply after that point won’t have an effect on the power.
They might be complicated this with the foundations concerning monitoring objects that transfer between zones. Usually, objects don’t have any reminiscence of their earlier existence in one other space and change into new objects. There are 7 exceptions, and (d/g) are in all probability those they confuse this with. These exceptions exist, as a result of there are playing cards like Rancor that have to have guidelines that enable the playing cards to really work.
400.7. An object that strikes from one space to a different turns into a brand new object with no reminiscence or relationship to its earlier existence. There are seven exceptions to this rule:
400.7d Skills that activate when an object strikes from one zone to a different (e.g., “When Rancor is put right into a graveyard from the battlefield”) can discover the brand new object it grew to become within the zone to the one which moved when the power was activated, 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 solid or that potential was activated, if that object was moved to a public zone.
