Popular cards like Charizard and Pikachu are easy to check because there are many comparison targets
This Rabbit has an ability that triggers when he attacks, putting a +1/+1 counter on each Rabbit and token creature you control, which is a great way to boost the power of your little bunnies
If you can play your cost 3 Tony Tony.Chopper in response to your opponent's 2nd-turn attack, you should be able to seize control of the game
That said, the monstrous effect comes from Tibalts static ability that lets you play cards exiled with it, making it a threat in late game scenarios
If Insight Engine leaves the battlefield before its ability resolves, it won't have a charge counter put on it when the ability resolves
The biggest issues comes from tokens: Lae'zel's Acrobatics only protects real creatures and cant save the board in token decks