Colonize

Choose target nonbasic land. Flip a coin.
•Win the flip - This land is your land: Target land becomes a basic Wastes. It loses all other types
and abilities.
•Lose the flip - This land is our land: Gain control
of target land. Untap it. It gains, ‘At the
beginning of the next end step, choose an
opponent at random. They gain control of this
land. Untap it.’