Sir Finley Mrrgglton

A murloc legendary.

Still trying to figure out this one:

Quote From Author

"A place to dress up cards however you like."

How long can this go on?

Thanks, works like a charm. And due to this quest, I refound my joy in Battlegrounds, thank you!

Hunt complete for HS. That was fun!

Mogu Fleshshaper

(became OP after the Halloween event)

Name starts with Mogu...

Reroll bug should be fixed early next week: https://us.forums.blizzard.com/en/hearthstone/t/update-on-15-6-issues/17306

Same, new quest, no reroll.

Hagatha the Witch

Character portrayed in the card is also member of the League of E.V.I.L.

Hungry Crab

1-mana epic card.

Omega Medic

Priest battlecry minion.

The Bancient One!

My favourite, though I also still miss it in my collection.

Stonehill Defender

Discover a Taunt minion.

Nat Pagle

Nerfed legendary.

Ornery Direhorn

Adapt.

Note how the Hearthstone website itself says the following (which contradicts the article above):

Dates and Times:

Between 6pm PT, August 15 and 3am PT, August 16
Between 6pm PT, August 16 and 3am PT, August 17
Between 6pm PT, August 17 and 3am PT, August 18

https://playhearthstone.com/en-us/blog/23062429/

This means that European players are eligible for Twitch drops between 3AM CEST and 12PM CEST (noon).

Piloted Reaper

Summons a card from your hand.

Desert Spear

Summons a minion with rush.

Chameleos

Priest 1-drop.