Lower numbers are generally more exciting, but if you open the biggest number in a run (like a 500/500), thats usually worth more than a middling number, too
Conversely, if my hand isnt full of counterspells early on, Im going to keep the Mentor in my hand and let them think they need to keep sculpting
Vivien lets you play creatures from the top of the deck, she makes sizeable token blockers that mostly come with reach to keep her in play, and she can tutor out any number of sweet creature combo pieces that are regularly played
None of the cards included offer any real monetary value, but there is a code included to get both decks in Magic: The Gathering Arena for you and a friend
What made detain so reviled
That said, the symmetry is a bit of a drawback, because opponents get the same haste boost, so its at its best when you plan to explode first and close the door fast