Name:Goblin Rock Sled
ManaCost:1 R
Types:Creature Goblin
PT:3/1
K:Trample
S:Mode$ Continuous | Affected$ Card.Self+attackedLastTurn | AddHiddenKeyword$ CARDNAME doesn't untap during your untap step. | Description$ CARDNAME doesn't untap during your untap step if it attacked during your last turn.
S:Mode$ CantAttack | ValidCard$ Card.Self | UnlessDefenderControls$ Mountain | Description$ CARDNAME can't attack unless defending player controls a Mountain.
SVar:Picture:http://www.wizards.com/global/images/magic/general/goblin_rock_sled.jpg
Oracle:Trample\nGoblin Rock Sled doesn't untap during your untap step if it attacked during your last turn.\nGoblin Rock Sled can't attack unless defending player controls a Mountain.