Whenever you cast a permanent spell with {X} in its mana cost or activate an ability with {X} in its activation cost that isn't a mana ability, you may have the value of X become 5. Do this only once each turn.
"The Third Advent brings hunger. Feed it, but never sate it. Hunger begets growth."
—*Path of the Pentarch*
![Glava, Five-Advents Mage [Mystery Booster: Commander Edition] MTG Single Magic: The Gathering | Multizone: Comics And Games](http://multizone-comics-and-games.myshopify.com/cdn/shop/files/a6b2c016-48d0-57f7-9ee8-08eacf421a9b.png?v=1785889395)
