Sneak Attack [Judge Gift Cards 2012] Green {1}: Target noncreature artifact becomes

{1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn

Set: Lorwyn Type: Creature — Treefolk Warrior Rarity: Rare Cost: {4}{G} Other Treefolk creatures you control get +1/+1

sacrifice it unless you sacrifice any number of creatures with total power 12 or greater

put it onto the battlefield

Centuries ago

Sneak Attack [Judge Gift Cards 2012] Green {1}: Target noncreature artifact becomesSet: Judge Gift Cards 2012 Type: Enchantment Rarity: Rare Cost: {3}{R} {R}: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.