Hired Sellsword

Menace
Whenever Hired Sellsword deals combat damage create a treasure token.
{x}{x}, Put X +1/+1 counters on Hired Sellsword,
then you may gain control of it. This ability costs {1} more to activate for each +1/+1 counter on
Hired Sellsword. Only your opponents may
activate this ability and only any time they could
cast a sorcery.
"You would be a fool to not take that offer."