Magic is a game with a lot of moving pieces, and Wizards tries to limit how complicated Standard decks and card interactions can be
His abilities are all about Cats, pumping up your Cats with +1/+1 counters, making Cat tokens and dealing damage based on the number of Cats you control
Legendary Creature - Wizard Otter Copy (CTRL to add secondary) Creature Creature (CTRL to add secondary) Discard Brallin, Skyshark Rider Partner with Shabraz, the Skyshark (When this creature enters, target player may put Shabraz into their hand from their library, then shuffle.) Whenever you discard a card, put a +1/+1 counter on Brallin and it deals 1 damage to each opponent
For Blue-heavy decks that really need their commander to stick around, Vanishing is the ultimate form of protection
Errant and Giada If you have a vast density of creatures with flying or flash in your deck, then Errant and Giada is the payoff you've been looking to build around