Doryn, Arcane Thief

Doryn, Arcane Thief can't be blocked.
Whenever Doryn, Arcane Thief attacks, choose
one:
• Doryn, Arcane Thief deals 2 damage to target creature or planeswalker defending player
controls.
• Tap up to one target creature defending player controls. It doesn't untap during its controllers
next untap step.