Scourge of Valkas is a mythic Creature — Dragon card from Starter Commander Decks (SCD), collector number 157. Current market price: $4.04, TCGplayer market prices via Scryfall.
Flying Whenever this creature or another Dragon you control enters, it deals X damage to any target, where X is the number of Dragons you control. {R}: This creature gets +1/+0 until end of turn.