Even the theoretical appeal of assembling a combo like Angels Grace plus Ad Nauseam is tempered by the reality that both pieces are weak on their own and that its difficult to actually win the game after assembling the combo
Teysa is a perfect card
Aside from being foil printings, all the most valuable cards are also borderless, with players seemingly having an affinity for the Legendary Creature/Commander cards that use plain backgrounds emblazoned with the Roman numeral for the Final Fantasy game they appear in
Then, if you have six or more humans, you're also drawing a card for your troubles
Four of these five cards have been reprinted within the past three years and two of them were reprinted last year
Sure, the backside could be big if you manage to defeat the battle, but considering it costs six mana (and five damage) to get Winowing Forces on the battlefield, you're not really getting much of a discount compared to cards like Beanstalk Giant or Cultivator Colossus