New unbeatable I WIN card just dropped. How do I defeat it?

Community Discussion
21

you mean this?
Legendary · Minion · Rastakhan’s Rumble · Battlecry: Set each player to 5 Mana Crystals.

22

With this lil guy here

https://d15f34w2p8l1cc.cloudfront.net/hearthstone/5c7c11c90038e6d09b750b5614c72c177bffe703a718b52badf71b2595b0ccdd.png
Also, whats the cost of the demons drawn from portal? does it scale with the stats or remain the same?

23

Cost stays the same.

24

I am in diamond and maybe seen 1 kiljaden drop since then and that was using my warlock deck (big lock). In diamond up your deck needs to do something to wind game at that point or take off.