Smile at Death is a mythic Enchantment card from Tarkir: Dragonstorm Promos (PTDM), collector number 24p. Current market price: $2.44 (foil $2.51), TCGplayer market prices via Scryfall.
At the beginning of your upkeep, return up to two target creature cards with power 2 or less from your graveyard to the battlefield. Put a +1/+1 counter on each of those creatures.