Chromatic Infusion-Ruby

Mountain Infused —Your Commander must be
Mono Colored, and without a partner or
background ( Put Chromatic Infusion-Ruby into
your Command Zone )
Add {x}{r} to the mana cost of your commander,
where {x} is equal to the number of times it has
been cast from the command zone this game.
"The Mountains Call. Feel their Rage, Feel their Destruction. This is True Freedom"
—Dragonspeaker Shaman