Dark Confidant
Creature — Human Wizard
At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.
"Fare you well, Bringer of Light."
Immanuela Crovius
Final Fantasy (FIN)
• #94Rulings
If a card in a player's library has {X} in its mana cost, X is considered to be 0.
(wotc • 2020-08-07)
Rulings
If a card in a player's library has {X} in its mana cost, X is considered to be 0.
(wotc • 2020-08-07)