Potato, the Suicide Squirrel

As an additional cost to cast this creature, sacrifice target land.
If non-basic land is sacrificed this way, target player gains control of Potato, the Suicide Squirrel until end of turn.
When this creature enters the battlefield, pay {r/g}{r/g}{r/g}{r/g} otherwise Potato, the Suicide Squirrel deals 6 damage to you.