Conjurer Duelist

The first instant or sorcery spell you cast
each turn costs {1} less to cast.
Whenever an instant spell you control
resolves, if no other spells resolved this turn,
put a +1/+1 counter on Conjurer Duelist.
- ———{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line} -
"I reckon ya ought to be more careful who you
consider unarmed."