The fact that the second card is so loosely restricted, and Force is so universal (and technically hard-castable) makes it playable in any fair blue deck, and so gives a large portion of the format the necessary panic button to discourage super-aggressive combo
As a commander, Tamiyo, Inquisitive Student is fine for generating some extra artifact tokens, and if you build around Clue tokens youll have a good amount of them to work with
This Plains is actually part of a diptych, a single painting combined with the Forest he did for Lorwyn, and that was later cropped down to become two separate cards
It's quite mathy, but he goes into a great deal of detail and explains his rationale, while not ignoring the realities of the game (there are one-mana Cycling cards, cards that fetch lands, cards that tap to add mana which aren't lands, and more.)
Its essentially most of a Champions Helm but for a good deal less mana, especially if your creature is three or more colors