Name:Pack Guardian
ManaCost:2 G G
Types:Creature Wolf Spirit
PT:4/3
K:Flash
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigToken | TriggerDescription$ When CARDNAME enters the battlefield, you may discard a land card. If you do, create a 2/2 green Wolf creature token.
SVar:TrigToken:AB$ Token | Cost$ Discard<1/Land> | TokenAmount$ 1 | TokenName$ Wolf | TokenTypes$ Creature,Wolf | TokenOwner$ You | TokenColors$ Green | TokenPower$ 2 | TokenToughness$ 2 | TokenImage$ g 2 2 wolf SOI
SVar:Picture:http://www.wizards.com/global/images/magic/general/pack_guardian.jpg
Oracle:Flash (You may cast this spell any time you could cast an instant.)\nWhen Pack Guardian enters the battlefield, you may discard a land card. If you do, create a 2/2 green Wolf creature token.