
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.
Illustrated by Mark Zug · Magic Online Promos · #82862
2025-06-06
If a card in a player's library has {X} in its mana cost, X is 0 for the purpose of determining its mana value.
2020-08-07
If a card in a player's library has {X} in its mana cost, X is considered to be 0.