Cryptolith Fragment // Aurora of Emrakul

In a Two-Headed Giant game, Cryptolith Fragment’s last ability checks whether each team’s life total is 10 or less.

In a Two-Headed Giant game, Cryptolith Fragment’s mana ability causes each player to lose 1 life, so each team loses 2 life.

Cryptolith Fragment’s second ability is a mana ability. Players can’t respond to it or to the loss of life it causes.