Koth, Lava Blooded

: Lands you control are Mountains in edition to their other types. Basic Mountains you control can tap for any color in your identity. Partner with
+2: Put a +1/+1 counter on each land you control, if a land has 3 or more counters it can attack this turn.
+11: Create an emblem with: "Mountains you control are indestructible and while Koth is on the battlefield all lands are Basic Mountains."