To determine the total cost of a spell, start with the mana cost or alternative cost you're paying (such as a spectacle cost), add any cost increases, then apply any cost reductions
An example are Magician of Black Chaos (Ritual Monster) and Black Magic Ritual (Ritual Spell Card)
Like Ojer Axonil, Doric is incredibly simple in what she wants to do attack
This card, One for One, would benefit decks that focus on Level 1 monsters or have specific combos that require sending a monster from hand to the graveyard for advantage
Responses online have ranged from the pragmatic calls for a nerf, attempts (largely in vain) to come up with counter decks to the downright furious, with one particular Reddit thread simply titled: "WE GET IT YOU LIKE THE MEWTWO EX DECK!!!" Overall, the consensus seems to be that once you see a Ralts popping up in the bench behind a Mewtwo, you might as well concede
You can advance all active quests at the same time, which saves a bit of grind: In the example below, I could clear all three of my quests by playing either a Blue-Green, or a Green-Red deck