Convenient Target is a uncommon Enchantment — Aura card from Murders at Karlov Manor (MKM), collector number 305. Current market price: $0.18 (foil $0.17), TCGplayer market prices via Scryfall.
Enchant creature When this Aura enters, suspect enchanted creature. (It has menace and can't block.) Enchanted creature gets +1/+1. {2}{R}: Return this card from your graveyard to your hand.