Sindar, the Corruptor

Deadly - Units and spells with Deadly kill any unit they damage, regardless of health. For example, a 1/1 with Deadly can kill a 5/5 attacker.

Valor - This unit gets +1/+1 this turn for each unit that blocks it

Stealth - When you play a Stealth unit it will be Hidden from your opponent. They won’t be able to see what is, including its stats.