https://twitter.com/PlayHearthstone/status/1376957450453020673
(NEW) A bug where queueing for ranked Standard or Wild can fail if you or the
opponent you’re matching with has Core Set cards in their deck
排标准或开放天梯时 如果你或你的对手有放核心系列的卡牌就会匹配失败
官方修复中
更新: 已修复
https://twitter.com/PlayHearthstone/status/1376981691135188992
经典卡包还是会开到之前替补的16张卡 所以暂时不给开
更新: 已修复