Name:Siege Wurm
ManaCost:5 G G
Types:Creature Wurm
PT:5/5
K:Trample
K:Convoke
SVar:Picture:http://www.wizards.com/global/images/magic/general/siege_wurm.jpg
Oracle:Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)\nTrample