Name:Tangle Kelp
ManaCost:U
Types:Enchantment Aura
K:Enchant creature
A:SP$ Attach | Cost$ U | ValidTgts$ Creature | AILogic$ KeepTapped
T:Mode$ ChangesZone | ValidCard$ Card.Self | Origin$ Any | Destination$ Battlefield | Execute$ TrigTap | TriggerDescription$ When CARDNAME enters the battlefield, tap enchanted creature.
SVar:TrigTap:AB$ Tap | Cost$ 0 | Defined$ Enchanted
S:Mode$ Continuous | Affected$ Creature.AttachedBy+attackedLastTurn | AddHiddenKeyword$ CARDNAME doesn't untap during your untap step. | Description$ Enchanted creature doesn't untap during its controller's untap step if it attacked during its controller's last turn.
SVar:Picture:http://www.wizards.com/global/images/magic/general/tangle_kelp.jpg
Oracle:Enchant creature\nWhen Tangle Kelp enters the battlefield, tap enchanted creature.\nEnchanted creature doesn't untap during its controller's untap step if it attacked during its controller's last turn.