when skemfar shadowsage enters, choose one —
• each opponent loses x life, where x is the greatest number of creatures you control that have a creature type in common.
• you gain x life, where x is the greatest number of creatures you control that have a creature type in common.
• each opponent loses x life, where x is the greatest number of creatures you control that have a creature type in common.
• you gain x life, where x is the greatest number of creatures you control that have a creature type in common.