Uneasy Alliance is a common Enchantment — Aura card from Teenage Mutant Ninja Turtles (TMT), collector number 28. Current market price: $0.13 (foil $0.20), TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature can't attack or block. {5}, Sacrifice this Aura: Exile enchanted creature. You create a 1/1 black Ninja creature token. Activate only as a sorcery.