Name:Mystic Snake
ManaCost:1 G U U
Types:Creature Snake
PT:2/2
K:Flash
T:Mode$ ChangesZone | ValidCard$ Card.Self | Origin$ Any | Destination$ Battlefield | Execute$ TrigCounter | TriggerDescription$ When CARDNAME enters the battlefield, counter target spell.
SVar:TrigCounter:DB$ Counter | Cost$ 0 | TargetType$ Spell | ValidTgts$ Card | TgtPrompt$ Select target spell
SVar:Picture:http://www.wizards.com/global/images/magic/general/mystic_snake.jpg
Oracle:Flash\nWhen Mystic Snake enters the battlefield, counter target spell.