There are also corrupted payoffs that care about your opponents having three or more poison counters
Another generation 1 bird is Spearow/Fearow line and while Im not sure if Ive ever played any Fearows in the game, theres one line especially thats gorgeous
Kaima presents a small problem in that it needs for you to put your Auras on creatures, meaning youre buffing opponents creatures, which can potentially attack you if Kaima goes away
The flavor text is a parody of one of the Twelve Steps of Alcoholics Anonymous (the second one, one believe) except that instead of a "greater power" it's a "greater power and toughness." 18
On top of all that you have a card that does the "flowchart" style presentation without coming across as scattered as something like Bonecrusher Giant
So when I look at Prosper, Tome-Bound, what I see is a perfectly functional commander in my favorite color combination, with my favorite D&D class attached to it, and mechanics that actually feel very in-line with warlocks