Change the Game: Monoploy

At the beginning of each player's end step, each
of that player's opponents loses one life for each hotel counter on lands they control. No land
can have more than four house counters, and if a
land has a hotel counter no other counters can
be added to that land.
{1}: Put a house counter on target land you control. Any player may activate this ability.
Remove four house counters from target land
you control: Put a hotel counter on that land.
Any player may activate this ability.