Yes it is 100% percent rigged in my opinion.
It curates the cards to determine who will win. It will curate your opponents depending on what you have in your deck. Put Geists in your deck and you will never see an emerald golem druid again until you remove them.
Don’t play for a week and then when you do play it lets you win like 20 games out of 30.
Play game after game while watching TV for hours and hours, and you will lose and lose the longer you play.
I have been playing since it came out and I noticed this right away.