While there are plenty of ways to make Food, Treasure, and other types of tokens, Hazel works best in a Squirrel kindred deck
You can produce a flying 1/1 faerie token each turn and lose a life, and the flexibility of what you can do with it is huge
The last player casting an instant (or activating a fast effect) in a series of effects that would affect a card in play differently depending on the order of the effects, chooses in which order all the instants/effects applies
Pyrokinesis doesnt stop everything, but it would be an impressive card against: Affinity Infect Melira, Sylvok Outcast Goblin Bushwhacker Kiln Fiend Kiki-Jiki, Mirror Breaker Felidar Guardian Goblin Guide Lingering Souls Creature-lands Rootwater Thief isnt pushing the limits of Modern power level, but it might be a reasonable sideboard option for Merfolk decks when certain types of combo decks are running amok
Mickey Mouse Courageous Sailor goes to investigate, will he make it