This is the Dog Rogue Malygos Deck w Thistle Tea he was playing on stream at high legend. With a deck that needs to use burn to beat an opponent and having lots of high value cards, Thistle Tea has a high chance of pulling you some valuable cards.
You have card draw, spell damage, a lot of the miracle Rogue mechanics, and it’s a fun deck to play. Dog had a good win rate, give it a go and see how you get on.