Fountainport

Every mode past the plain colorless tap stacks a fee onto the tap and points back into the same loop: four mana makes a Treasure, three mana and a life makes a 1/1 blue Fish, and two mana plus a sacrificed token draws a card. The Treasures and Fish are precisely the tokens that draw ability wants to eat, so ramp becomes fodder and fodder becomes cards with nothing else on the board. The bare colorless source is almost vestigial; this is really three engines sharing one tap symbol. It descends from the creature-lands but inverts their whole proposition. A manland answers flood by animating and swinging, and pays for the privilege by standing in the red zone where combat and targeted removal can catch it. This one never enters combat, never trades, never dies to anything that hits creatures, and does nothing but convert surplus mana into bodies, ramp, and cards. The tax is always opportunity cost: every activation competes with casting a spell from hand, so the land stays quiet while your hand still holds threats. Drawn early it sits idle, a colorless source behind a hand you would rather cast. Drawn deep into a game, when the hand runs dry, it quietly refills.