Cryptolith Fragment // Aurora of Emrakul (SIR-248) [Shadows over Innistrad Remastered]

This artifact enters tapped.
: Add one mana of any color. Each player loses 1 life.
At the beginning of your upkeep, if each player has 10 or less life, transform this artifact.

Flying, deathtouch
Whenever this creature attacks, each opponent loses 3 life.