Name:Fen Hauler
ManaCost:6 B
Types:Creature Insect
PT:5/5
K:Improvise
K:CantBeBlockedBy Artifact.Creature 
SVar:Picture:http://www.wizards.com/global/images/magic/general/fen_hauler.jpg
Oracle:Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)\nFen Hauler can't be blocked by artifact creatures.