You can make any color of mana with the tap, so she turns one mana into massive amounts if you build your deck right, making her a powerful mana accelerant
Merfolk Secretkeeper Merfolk Secretkeeper is a good tool for mill decks
Keep all damage counters and all attached cards with each Pokmon when they switch
Thats a very narrow lane to be in, and his abilities lean so far into his merfolkness that hes not all that useful elsewhere
Creature Dragon Flying Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Whenever Scourge of the Throne attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures
Iron Crown is another Pokmon from the future, and it's based on Gen 5's Cobalion