Kamahl's Desire is a common Enchantment — Aura card from Odyssey (ODY), collector number 199. Current market price: $0.14 (foil $0.65), TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature has first strike. Threshold — Enchanted creature gets +3/+0 as long as there are seven or more cards in your graveyard.