It is hard to kill fast without a deck solely focused on doing that like Boros Heroic
Disney Lorcana: Stitch Collection Starter Set - ACD Distribution | Leading Toy & Game Distributor
[10] There are five types of cards split between the main deck or used elsewhere: [10] Main deck cards: Character represent your crew and have the color blue on the backs of the card Event one-time effects that are played from the hand Stage represent the location where the crew is played, often providing a benefit to your Leader of Character cards
Ashcoat Bear Ayula, Queen Among Bears Balduvian Bears Bear Cub Bosco, Just a Bear Dragon-Scarred Bear Exuberant Wolfbear Forest Bear Gigantic Big Bear Golden Bear Grizzly Bears Kudo, King Among Bears Large Bear Little Bear Mother Bear Ordinary Bear Owlbear Owlbear Cub Pale Bears Phantasmal Bear Platypus-Bear Razorclaw Bear River Bear Runeclaw Bear Spectral Bears Striped Bears Ulvenwald Bear Werebear
At least Rescue Skiff is blinkable reanimation, and many cards in MTG can reduce the cost of artifact cards
Tangle is a great choice for more aggressive decks, giving you (and the table) plenty of time to punish an opponent that overextends