Name:River Serpent
ManaCost:5 U
Types:Creature Serpent
PT:5/5
S:Mode$ Continuous | Affected$ Card.Self | AddHiddenKeyword$ CARDNAME can't attack. | CheckSVar$ X | SVarCompare$ LE4 | Description$ CARDNAME can't attack unless there are five or more cards in your graveyard.
K:Cycling:U
SVar:X:Count$InYourYard
SVar:BuffedBy:Instant,Sorcery
SVar:Picture:http://www.wizards.com/global/images/magic/general/river_serpent.jpg
Oracle:River Serpent can't attack unless there are five or more cards in your graveyard.\nCycling {U} ({U}, Discard this card: Draw a card.)