Monkey D. Luffy

Double Strike, Reach
Whenever a creature deals damage to Monkey D.
Luffy, put that many +1/+1 counters on him.
At the beginning of combat, you may tap Luffy
and target creature you don't control. If you do,
they gain Indestructible until your next turn,
then fight. Untap them at the beginning of the
next main phase.