Rampaging Spiketail is a common Creature — Dinosaur card from The Lost Caverns of Ixalan (LCI), collector number 116. Current market price: $0.19 (foil $0.29), TCGplayer market prices via Scryfall.
When this creature enters, target creature you control gets +2/+0 and gains indestructible until end of turn. Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)