Infernal Denizen is a rare Creature — Demon card from Ice Age (ICE), collector number 136. Current market price: $0.91, TCGplayer market prices via Scryfall.
At the beginning of your upkeep, sacrifice two Swamps. If you can't, tap this creature, and an opponent may gain control of a creature you control of their choice for as long as this creature remains on the battlefield. {T}: Gain control of target creature for as long as this creature remains on the battlefield.