Shimmer Dragon is a rare Creature — Dragon card from Murders at Karlov Manor Commander (MKC), collector number 117. Current market price: $0.34, TCGplayer market prices via Scryfall.
Flying As long as you control four or more artifacts, this creature has hexproof. (It can't be the target of spells or abilities your opponents control.) Tap two untapped artifacts you control: Draw a card.