Infectious Bloodlust is a common Enchantment — Aura card from Magic Origins (ORI), collector number 152. Current market price: $0.06 (foil $0.40), TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature gets +2/+1, has haste, and attacks each combat if able. When enchanted creature dies, you may search your library for a card named Infectious Bloodlust, reveal it, put it into your hand, then shuffle.