Endless Ranks of HYDRA is a rare Sorcery card from Marvel Super Heroes Commander (MSC), collector number 348. Current market price: $0.95, TCGplayer market prices via Scryfall.
For each opponent, you create a 2/1 black Villain creature token with menace. Whenever your commander enters or attacks, you may pay {1}{B}. If you do, return this card from your graveyard to your hand.