North Pole Research Base is a common Plane — Earth card from Doctor Who (WHO), collector number 593. Current market price: $0.27, TCGplayer market prices via Scryfall.
At the beginning of your upkeep, target opponent draws a card and creates a Treasure token. Whenever chaos ensues, create a 2/2 white Alien creature token. When you do, tap target nontoken creature an opponent controls. Put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)