Commander spells you cast have cascade. (Whenever you cast a commander, exile cards from the top of your library until you exile a nonland card with lesser converted mana cost. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)
![Flamekin Herald (Extended) [Commander Legends] | D20 Games](http://d20gamestore.com/cdn/shop/products/8e960c8d-10a9-585a-88b8-2c2669f270e6.jpg?v=1635899408)
