You'll likely want to make use of the Jolly Roger to get the most value out of the Hydra , but the benefit of this character is that it can reflect the damage it takes onto the opponent's characters even if they aren't exerted
Sahagin 1U Creature : Merfolk Warrior Whenever you cast a non-creature spell, if at least 4 mana was spent to cast it, put a +1/+1 counter on this creature and it cant be blocked this turn
Mickey Mouse, Wayward Sorcerer, meanwhile, is a solid card by itself thanks to balanced strength, willpower and lore stats, but becomes even more useful when used together with the Magic Broom, Bucket Brigade cards found in the Amber and Amethyst deck, as they will cost one fewer ink to bring out and then return to your hand (instead of the discard pile) when banished while Mickey is on the field
Not as potent as Worldwaker nor as good a stand alone card however Garruk Wildspeaker is the best support card for the deck and scales very well with loads of things you want
The new starter decks are a huge flavor win for Rise of the Floodborn
Fortunately, the creature type hosts some powerful abilities that are perfect for building around and abusing