Troll-Ring

When you cast the Troll-Ring, target player gets
trolled for the rest of the game and looses 1 life
on each upkeep, as long as you have the Troll-
Ring on the Battlefield
{t}{1} Add 3 colorless mana to your mana pool.
Sacrifice the Troll-Ring if you control
6 or more lands on the battlefield.