kraken cards mtg the Moon Kraken enters the battlefield or whenever you cast a spell with converted mana cost 6 or greater Kraken - MTG Wiki

Which are the best

While The First Chapter had the job of introducing players to the Disney card game, Rise of the Floodborn will be focused on unveiling more lore about the strange beings known as the Floodborn

Even the location card is Casa Madrigal

I think its important to consider how well the decks play since these are intended as an introductory product

Creature - Elemental Horse Color tag templates(None) Trusted Pegasus Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever this creature attacks, target attacking creature without flying gains flying until end of turn

You can either make a 3/3 token or populate at instant speed, so this works even if you dont have tokens around