Scourge of Valkas is a mythic Creature — Dragon card from Commander 2017 (C17), collector number 142. Current market price: $3.64, 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.