Shalai and Hallar is a mythic Legendary Creature — Angel Elf card from March of the Machine Commander (MOC), collector number 96. Current market price: $8.83 (foil $10.66), TCGplayer market prices via Scryfall.
Flying, vigilance Whenever one or more +1/+1 counters are put on a creature you control, Shalai and Hallar deals that much damage to target opponent.