Yes. Just like discarding any other creature card to the Troll. Where the discarded card ends up doesn't matter, only that you did the discard. Note, though, that the Baloth behaves like any other creature card in this case, since its replacement effect doesn't apply, the Troll is an ability controlled by yourself not an opponent.
Card tags fixed. You need to put the forward slash inside of the closing tag before the c, like this : [/c] -MadMage
Yes. Just like discarding any other creature card to the Troll. Where the discarded card ends up doesn't matter, only that you did the discard. Note, though, that the Baloth behaves like any other creature card in this case, since its replacement effect doesn't apply, the Troll is an ability controlled by yourself not an opponent.
Former Rules Advisor
"Everything's better with pirates." - Lodge
(The Gamers: Dorkness Rising)
"Any sufficiently analyzed magic is indistinguishable from science."
(Girl Genius - Fairy Tale Theater Break - Cinderella, end of volume 8)