Whenever a permanent becomes untapped, that permanent's controller mills a card.

Equipped creature has "{T}: Add one mana of any color." Equip {1}

{U}: Untap Horseshoe Crab.

Flying When Narcomoeba is put into your graveyard from your library, you may put it onto the battlefield.

{U}: Untap Simic Ragworm.

When Thassa's Oracle enters the battlefield, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Botanical Sanctum enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {G} or {U}.

({T}: Add {G}.)

Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island. {T}: Add {G} or {U}.