Cryptolith Fragment (Retro Frame)

This artifact enters tapped. T: 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. // Aurora of Emrakul Flying, deathtouch Whenever this creature attacks, each opponent loses 3 life.

"I felt compelled to take the twisted stone, and I abandoned my horse's burden to accommodate its weight. Now, its continued glow illuminates my home and warms my mind." —Garner Kroft, Moorland farmer