Katara, Water Tribes Hope (Azorius) Waterbending is thematic but slower compared to Firebending or Earthbending, but Katara, Water Tribes Hope makes up for it with a terrifying scaling mechanic
Its also one of the reasons why I think that some kind of Lightning archetype has huge potential: I think that hitting Palkia VSTAR for Weakness with the Item-locking Vikavolt V or Iron Hands exs Amp You Very Much could be a way to beat this powerful archetype
Selvala costs one generic and two Green mana to cost, and by paying one Green mana and tapping it you can add X mana in any combination of colors to your mana pool, where X is the greatest power among creatures you control
Once a card enters exile, it doesnt have any abilities or properties unless the effect that put it there says so
Maleficent, Monstrous Dragon The ninth rule of Villainy: When all else fails, turn into a dragon