Tenacious Pup [Mystery Booster 2]

Set: Mystery Booster 2 Type: Creature — Wolf Rarity: Uncommon Cost: {G} When Tenacious Pup enters the battlefield, you gain 1 life. You get a one-time boon with “When you cast a creature spell, that creature enters with an additional +1/+1 counter, trample counter, and vigilance counter on it.”