While it remains to be seen how often the 13 creature clause will be relevant, any board wipe that gets around pesky indestructible creatures is likely to be worth playing
Non-Learn Cards Heres the complete list of non-learn cards that arent as powerful in Brawl because of this limitation: Lesson Cards Here are all of the lessons currently available: So Are These Cards Just Useless
When searching with "OP05-015 Belo Betty", your main target will be "OP05-004 Emporio.Ivankov"
Clarion Conqueror is a perfectly curve-friendly answer to stop activated abilities
The political element of the card is going to make it good in multiplayer in many of the most beloved blue archetypes, such as Group Hug, and its price is still low
Instead, Maralen allows each player to spend their draw step tutoring for any card they want at the expense of 3 life, and that can lead to some interesting twists in gameplay with everyone getting their favorite cards on demand