The Lotus Walker

0: Transform target land you control into a Lotus Petal with "tap: Add 1 mana of any color" it's still a land.
+1: The Lotus Walker becomes a creature with power and toughness equal to the number of permanents with "Lotus" in their name until end of turn.
-9: Create an emblem that says "All cards with Lotus in their name or card type cost 0 mana to cast."