Fabricate

Fabricate is a triggered Keyword Ability that lets you choose whether to create Servo tokens or put +1/+1 counters on a creature when it enters the battlefield.

Expansion Info
Fabricate was introduced into Magic Arena with Kaladesh (closed beta).

Card/Color Distribution
Fabricate can often be found on, , and colorless creature cards.

Video
Watch this explanatory video to see how this game concept works.