Claim the Kingdom is a uncommon Enchantment — Plan card from Marvel Super Heroes (MSH), collector number 163. Current market price: $0.25 (foil $0.34), TCGplayer market prices via Scryfall.
Landfall — Whenever a land you control enters, put a +1/+1 counter on target creature you control and a plan counter on this enchantment. When the fourth plan counter is put on this enchantment, sacrifice it. When you do, put an indestructible counter on target creature you control.