Cad Bane

{t}: Flip a coin, if you win the flip put a bounty counter on target creature.
Bounty- Whenever a creature an
opponent controls with a bounty counter
on it dies, Cad Bane deals 1 damage to each
creature with a bounty counter on it.
Whenever a creature with a bounty counter on
it dies, Cad Bane gains experience counter.
When you have reach 10 counters transform
Cade Bane.