You form it by combining two other cards together: Phyrexian Dragon Engine and Mishra, Claimed By Gix, also newly spoiled
TERMINAL VELOCITY Velocity is perhaps the better indicator now of how fast a deck is, and is kind-of an amalgamation of the Power Level and Win Conditions axes, but with additional emphasis put on how quickly your deck can generate resources
The advantage of Sage is cost but if that is what you are after then Nature's Claim, Degalmor or Naturalize should offer more utility
It is set up to be usable exactly when it will be most worth using
While originally teased to be coming out in 2020 as part of a special promotion for fans ordering items from the Pokemon Center in the United States and Canada, the card seemingly disappeared and never officially hit shelves
It ran in training mode for several weeks and finally, now that we have enough data, we released it in production