Modern Horizons 3 contains the 5 basic lands (Plains, Island, Swamp, Mountain, and Forest) with variant treatments, plus an uncommon Snow-Covered Wastes (included as one of the 101 uncommons) with its variant treatments
But if it's strategy and silly fun you're after, it's not a bad choice
It's an especially good feeling when you can defeat your opponents with cards from their own deck, and the flavor of doing so in a Pirate based deck is difficult to pass up
Aura of Courage tries to counteract this with some artifacts, enchantments and spells, for example Verdant Embrace, Moonsilver Spear or Valiant Endeavor
Spiritmonger Spiritmonger is an easy card to stave off for a long time, since almost any blocker can jump in front of him
Central Elevator is a tutor for any Room you don't control , and Promising Stairs is a win condition for having multiple unlocked Rooms