Most notably, Elsha allows you to cast noncreature spells from atop your library and provides these spells with flash
Balzer Infect commanders, for our purposes, are legendary creatures that work well with Magics infect mechanic, either distributing poison counters themselves or benefiting from poison
The Red Roronoa Zoro develops multiple Characters a turn and with the +1,000 Power your Characters gain through Leader effect, you can initiate attacks and force Counter cards from the opponent
(Been there.) Warped creatures can Station
A 5/5 flying and first strike body is good enough to fight, but if it survives until your next upkeep, its giving you two cards you can play, and Treasures/creatures along with them
I'll walk through all the details when I go through the contents of the new Play Booster