Vibrance is a mythic Creature — Elemental Incarnation card from Lorwyn Eclipsed (ECL), collector number 249. Current market price: $2.43 (foil $3.39), TCGplayer market prices via Scryfall.
When this creature enters, if {R}{R} was spent to cast it, this creature deals 3 damage to any target. When this creature enters, if {G}{G} was spent to cast it, search your library for a land card, reveal it, put it into your hand, then shuffle. You gain 2 life. Evoke {R/G}{R/G}