Ruins of Intha

Ruins of Intha enters the battlefield tapped,
unless you sacrifice a basic land.
{t}: add one mana of any color amongst creatures
you control.
{x}{x}: Return target creature from your graveyard
to the battlefield, it has haste. Exile it at the
beginning of your end step and create a Ruin
token. Activate this ability only when you
would cast a sorcery.