Arixmethes, Slumbering Isle is a rare Legendary Creature — Kraken card from Multiverse Legends (MUL), collector number 32. Current market price: $1.68 (foil $2.01), TCGplayer market prices via Scryfall.
Arixmethes enters tapped with five slumber counters on it. As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.) Whenever you cast a spell, you may remove a slumber counter from Arixmethes. {T}: Add {G}{U}.