Name:Aspect of Wolf
ManaCost:1 G
Types:Enchantment Aura
K:Enchant creature
A:SP$ Attach | Cost$ 1 G | ValidTgts$ Creature | AILogic$ Pump
S:Mode$ Continuous | Affected$ Card.AttachedBy | AddPower$ X | AddToughness$ Y | Description$ Enchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up.
SVar:X:Count$TypeYouCtrl.Forest/HalfDown
SVar:Y:Count$Valid Forest.YouCtrl/HalfUp
SVar:BuffedBy:Forest
SVar:Picture:http://www.wizards.com/global/images/magic/general/aspect_of_wolf.jpg
Oracle:Enchant creature\nEnchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up.