Like in all the Modern Horizons 2 elemental cycle, you can evoke it by pitching a black card to quickly disrupt an enemy without spending mana
Notable about Rootha is that she cares about the mana value, not the mana cost unlike some cards, which means that spells that reduce their cost are fine here, and that she only rewards one spell on your turn, so to maximize her you want to lean into those elements
Virtue of Loyalty is doing work The most interesting adventure cards in Wilds of Eldraine are the Virtue cycle, which adds that inherent split-card flexibility to powerful win-con enchantments
Today, most counterfeit cards are designed to pass various tests like the bend test and the light test, and some look almost exactly like the real thing, even upon close inspection (unless you're going really deep and using a jeweler's loupe, which is a good way to weed out fakes but too much work for the average player)