Estrothia, The Split Plane

Estrothia enters the battlefield tapped and
doesn't untap unless you control nine other lands.
{t}: to add one mana of any color to your mana
pool.
{6}{t}: Draw a card, gain 2 life, destroy target creature, deal 2 damage to target player, and
search your library for a land card and put it
onto the battlefield tapped.