Dark Knight of Thorns

First Strike, thorns (Whenever another creature with toughness less than this creature's toughness blocks or becomes blocked by this creature, prevent all combat damage it would deal to this creature. Whenever you do, this creature deals X damage to that creature, where X is the damage prevented this way.)
Dark Knight of Thorns must be blocked if able.
{2}{b}: Dark Knight of Thorns gets +1/+0 and gains deathtouch un