Fallen Angel Tacitus

Flying, First Strike, Vigilance
When Fallen Angel Tacitus deals combat damage to
a creature, that creature gains a stun counter.
When Fallen Angel Tacitus deals combat damage to
a player, you may cast an instant from your hand
with a converted mana cost of {2} or less
without paying its mana cost.
{w}{b}: Regenerate.
—
"Do you have a book version of that?"