Adriana, Captain of the Guard 073/221

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked with a creature this combat.) Other creatures you control have melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked with a creature this combat.). (If a creature has multiple instances of melee, each one triggers separately.)