Jesna, Pilot of Giants

Whenever a non token artifact enters the
battlefield under your control you may add one
mana of any color to your mana pool, spend this
mana only to cast artifact spells
{t}: Crew Ragnokt, Tectonic Giant for as long as
Jesna remains tapped
As long as Jesna crewing Ragnokt, she has
Hexproof
Partner with Ragnokt, Tectonic Giant