First Sphere Gargantua

“When First-Sphere Gargantua enters the battlefield, you draw a card and you lose 1 life. <br> Unearth 2B <em>(2B: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery)</em>”