Try removing a few filters.
If you prefer your blue decks to involve the combat step, there are plenty of card draw engines to make sure the gas keeps flowing
Here, Kalamax, the Stormsire and Gavi, Nest Warden top the list, with Otrimi, the Ever-Playful lagging far behind
The tradeoff is that you dont get a trigger for mutating like all the others, but the stats look good for a defensive creature that generates cheap advantage every turn its alive
Koma is so good that it will probably push players to run sacrifice-based removal like Extract a Confession or Deadly Brew
Because Ursula is a popular villain and this cards ability that lets you play Songs multiple times, shes valuable to collectors and players