Name:Woolly Mammoths
ManaCost:1 G G
Types:Creature Elephant
PT:3/2
S:Mode$ Continuous | Affected$ Card.Self | AddKeyword$ Trample | CheckSVar$ X | SVarCompare$ GE1 | Description$ CARDNAME has trample as long as you control a snow land.
SVar:X:Count$Valid Land.Snow+YouCtrl
SVar:BuffedBy:Land.Snow
SVar:Picture:http://www.wizards.com/global/images/magic/general/woolly_mammoths.jpg
Oracle:Woolly Mammoths has trample as long as you control a snow land.