Impulsive Pilferer

When this creature dies, create a Treasure token.
(It's an artifact with "{t}, Sacrifice this token: Add one mana of any color.")

Encore {3}{r} ({3}{r}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They
gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)