Kami of Lunacy is a uncommon Creature — Spirit card from Champions of Kamigawa (CHK), collector number 119. Current market price: $0.10 (foil $0.67), TCGplayer market prices via Scryfall.
Flying Soulshift 5 (When this creature dies, you may return target Spirit card with mana value 5 or less from your graveyard to your hand.)