Jacked Rabbit is a creature you want to ensure always has a lot of +1/+1 counters on it, as this will keep giving you 1/1 Rabbit tokens for each attack, and with high stats, it won't be in danger during combat
The rapidly accumulating card advantage alongside dealing extra damage each time a ninja you control connects in combat can quickly snowball games, especially when a 1-drop gets through unchecked on turn 2
With Yawgmoths Bargain out, you skip your draw step without drawing any cards
If there ever was a perfect card design, this is one of them.
One thing to note is that the lessons can also be part of your main deck
Characters like Tinker Bell and Stitch provide strategic advantages in challenging situations, making them valuable assets in gameplay