MTG games are at their core about resource management
Even tutor effects can be used to cheat essential creatures into play, such as Avacyn, Angel of Hope
Either way, a 2/2 for three that can bounce any dork when it comes into play is great although not quite great enough for two copies with the three slot being a very contested slot for blue guys
If you take control of an opponent's Lich's Duel Mastery and fail to put a shield into your hand because of this, you'll sacrifice Lich's Duel Mastery
Faithless Looting, Cathartic Reunion and Shriekhorn fill your graveyard with dredgers and payoff cards and dredge those cards once your yard is full
Theyre a big part of whites visual identity, and its draft format as the easily-expendable go-wide creature, which means Cartagena needed to put a lot of work into making them work