Overgrown Marshland

This enters play tapped unless you control 3 basic lands
{t} Add {g} or {b}
{t}{b/g}{b/g}{b/g}{b/g} Put the top 5 cards of your deck into your grave yard creatures in your graveyard gain dredge 3 until end of your next turn
"dredge is 10 on the storm scale"- Wizards of the coast