Wytch Slave Arena

Tap target creature you don't own you control:
Draw a card, then discard a card.
Tap two creatures you don't own you control:
Gain 3 life and draw a card.
Sacrifice three creatures you don't own you
control: Gain 6 life and draw four cards.
The screams of the fighters were drowned out in the
crowd's cries for blood.