Cartouche of Ambition is a common Enchantment — Aura Cartouche card from The List (PLST), collector number AKH-83. Current market price: $0.14, TCGplayer market prices via Scryfall.
Enchant creature you control When this Aura enters, you may put a -1/-1 counter on target creature. Enchanted creature gets +1/+1 and has lifelink.