Hearthpwn

Quote from Sherman1986 >>

Quote from Jennifer >>

Quote from Sherman1986 >>

 

Yes, it does:

https://hearthstone.gamepedia.com/High_Priestess_Jeklik

• If High Priestess Jeklik is buffed while in the player's hand and subsequently discarded, the copies of Jeklik will retain the buffs.
• If High Priestess Jeklik's mana cost is modified in the hand and it is subsequently discarded, copies of Jeklik will retain the modified mana cost.

Also, here is a video (uploaded by Kripp on Youtube) showing this interaction during the second match:

 Wow, TIL. Maybe I should play some discolock!

Quote from Sherman1986 >>

Of course, your opponent buffed High Priestess Jeklik with Soul Infusion while in hand and then he made some copies of this card by discarding it.

Ok, my job here is done! Until next time, Captain Obvious out... ;)

 Does it actually keep the buff when it is triggered? That's sick if it does