Toga, blood sucker

When Toga deals damage to a creature or planeswalker you may tap here if you do Toga becomes a copy of that creature or planeswalker until end of your next turn, if not Toga and target creature or planeswalker that was dealt damage by Toga gets a blood counter

{t}:sacrifice a blood counter Toga becomes a copy of target creature or planeswalker with a blood counter that targets owner removes the blood counter