Thrumming Stone [Double Masters 2022] Guilds of Ravnica Guild Kit Creatures with islandwalk can be

Creatures with islandwalk can be blocked as though they didn't have islandwalk

Now follow in this direction

it deals damage equal to its power to the player or planeswalker it's attacking

you may draw a card unless that player pays 4

Thrumming Stone [Double Masters 2022] Guilds of Ravnica Guild Kit Creatures with islandwalk can beSet: Double Masters 2022 Type: Legendary Artifact Rarity: Rare Cost: {5} Spells you cast have ripple 4. (Whenever you cast a spell, you may reveal the top four cards of your library. You may cast spells with the same name as that spell from among the revealed cards without paying their mana costs. Put the rest on the bottom of your library.)