You don’t need to choose the name of a card anyone intends to cast this turn. You also don’t need to choose the name of a card that can have its cost reduced. For example, some Cheering Fanatics are enthusiastic about Shock or Mountain.
08-06-2018
wotc
Effects that reduce the generic mana cost of a spell can’t reduce that spell’s colored mana requirements.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.