Lucario, Aura Wielder

Lucario, Aura Wielder enters the battlefield with
X +1/+1 counters.
Whenever Lucario, Aura Wielder is dealt
damage, put a +1/+1 counter on it.
At the beginning of combat on your turn, choose
up to one -
• Lucario, Aura Wielder can't be blocked this
turn.
• Lucario, Aura Wielder must be blocked this
turn if able.