I had the same thing and it cost me a match in the Arena Open. It looked like my opponent had lands in hand, face up. So I made blocks as if he didn't have anything, but then one of the "lands" turned into a combat trick and it blew me out and I lost the game with him at 1 life.
I had the same thing and it cost me a match in the Arena Open. It looked like my opponent had lands in hand, face up. So I made blocks as if he didn't have anything, but then one of the "lands" turned into a combat trick and it blew me out and I lost the game with him at 1 life.