Taxing Rubbish Bin

When Taxing Rubbish Bin enters the battlefield you may have target opponent gain control of Taxing Rubbish Bin.
Whenever a card enters the graveyard put a trash counter on Taxing Rubbish Bin.
If a card would enter the graveyard and there are 3 or more trash counters on Taxing Rubbish Bin remove all trash counters from Taxing Rubbish Bin once you pay {3} if you don't, you lose 1 life and the next spell you cast cost's {2} more to cast.