Containment Priest can only affect things that enter while it's already in play. So anything that enters at the same time, like with Show and Tell, will be able to enter normally.
Chances are, if you’re reading this, one too many Emrakuls have been beating your face in. (I know mine has been squashed in! Holiday Cube is still fun though!). Most people when playing , put their chosen card face down, and flip them up at the same time. While this is acceptable, today I’m going to go through the actual process, also indicate some suggestions as to what will “work” and what won't. Say Eddie is playing a game against Jason. Jason, being the blue mage he his, resolves