The main part that makes these two clashing Ink types work so well is the plethora of songs, actions, and items that work to overcome each other's weaknesses
Greatsword of Tyr isnt going to set off alarm bells like Skullclamp or Sunforger, so it will probably stick around giving you value for a while
We do know that they *only* contain EA cards and also the eight borderless commanders of the four decks
Midrange decks are less interested in the potential damage output but very interested in accruing card advantage
Overall, it just feels to me like The First Doctor exemplifies the flavor of Doctor Who, and thats as it should be, you know
Even if the cost of the spell or ability that waterbend is part of increases or decreases, you still may only tap artifacts or creatures to pay for costs up to the amount of the generic mana in the waterbend cost