Neriv, Crackling Vanguard is a mythic Legendary Creature — Spirit Dragon card from Tarkir: Dragonstorm Commander (TDC), collector number 6. Current market price: $0.86 (foil $0.39), TCGplayer market prices via Scryfall.
Flying, deathtouch When Neriv enters, create two 1/1 red Goblin creature tokens. Whenever Neriv attacks, exile a number of cards from the top of your library equal to the number of differently named tokens you control. During any turn you attacked with a commander, you may play those cards.