Ben, the Wilderness Tinkerer

At the beginning of your upkeep, make a green
0/1 Bird creature token with flying and
"{t}, add one mana of any color."
Tap three Birds you control: Ben phases out.
An expert in language models, living in a
mountainous wilderness workshop. He's surrounded by
old cars, parrots, and various contraptions,
symbolizing his innovative spirit and his love for the outdoors and animals.