Quick Multi-Block and Multi-Attack Depending on the board state, you can use a series of tricks to make blocks and attacks easier
It could have been so much better if it had been a quick-play, making it usable during the opponents turn
Fynn, the Fangbearer Deathtouch creatures become poisonous with Fynn, the Fangbearer
This is strong with ping effects, and 1/1 Tims typically cost three, like Prodigal Pyromancer, so this fun thing is just one more and pretty good
So if you like the idea of a Tokens deck like Rhys the Redeemed but with a Cat Tribal theme, then swapping Arahbo, Roar of the World for Mirri, Weatherlight Duelist is a simple yet highly effective way to start on that route