wotc
Causing an opponent to lose the game after you've announced that you're casting a spell with undaunted and determined its total cost won't cause you to have to pay more mana.
Causing an opponent to lose the game after you've announced that you're casting a spell with undaunted and determined its total cost won't cause you to have to pay more mana.
Effects that reduce what you pay to cast a spell don't affect its mana value.
Magic: The Gathering · ™ & © Wizards of the Coast · Illus. Lake Hurwitz
Card data via Scryfall. Rarix is fan-made; not endorsed by the rights holders.