Just happened to me as well during the standard metagame event. I couldn't remember what the ward cost was. I assumed it was like most, to pay extra, but was in fact to discard a card. Not being able to reference the text during the match definitely contributed to a loss.
Just happened to me as well during the standard metagame event. I couldn't remember what the ward cost was. I assumed it was like most, to pay extra, but was in fact to discard a card. Not being able to reference the text during the match definitely contributed to a loss.