Poisonous Dreadland

Creature spells your opponents cast enter
the battlefield with two -1/-1 counters on
them. Creature spells you cast enter the battlefield with a -1/-1 counter on them unless you control a Forest or a Swamp.
{t}: add {c}
{t}: add {g} or {b}, Poisonous Dreadland
deals 1 damage to you.