Ka-Zar of the Savage Land is a uncommon Legendary Creature — Human Barbarian Hero card from Marvel Super Heroes (MSH), collector number 174. Current market price: $0.21 (foil $0.29), TCGplayer market prices via Scryfall.
You may look at the top card of your library any time. You may play lands from the top of your library. When Ka-Zar enters, create Zabu, a legendary 2/2 green Cat creature token with "Landfall — Whenever a land you control enters, put a +1/+1 counter on Zabu."