She needs help, or a number of Red spells, to help do that
The triggered ability will resolve before Bygone Marvels does
(2024-09-20) To manifest dread, look at the top two cards of your library
Deck contains 10 invalid cards for this format: Xolatoyac, the Smiling Flood (LCC), Mist Dancer (LCC), Ripples of Potential (LCC), Wave Goodbye (LCC), Bygone Marvels (LCC), Deeproot Historian (LCC), Topography Tracker (LCC), Tributary Instructor (LCC), Singer of Swift Rivers (LCC), Hakbal of the Surging Soul (LCC) Commander 1 cards (1 distinct) Main 99 cards (81 distinct) Lands - 36 Commander 1 cards (1 distinct) Main 99 cards (81 distinct) Lands - 36 Commander 1 cards (1 distinct) Main 99 cards (81 distinct) Simulating MTG Arena Best of 1 starting hand (Simplified, true algorithm in MTGA not revealed by Wizards yet) Add at least 100 different cards to your collection and set it as your Compare Collection on the manage page to see what cards from this deck you are missing