Mahito, Source of hate

When Mahito, Source of hate enters, each player sacrifices a creature they control, they then create a token copy of that creature except its a black transfigured 1/1 in addition to its other colours and types.

Pay 4 life: choose one
• target opponent loses 1 life for each creature you control with base power and toughness 1/1
• Destroy target artifact an opponent controls, sacrifice a creature with base power and toughness 1/1 to copy the ability, you must choose new targets for the copy,