MacArthur's Commendation

Enchant creature

When MacArthur's Commendation enters, put a +1/+1 counter on enchanted creature.
Whenever enchanted creature attacks, you may sacrifice MacArthur's Commendation. If you do, return target creature card from your graveyard to your hand.

"Duty, honour, country. No greater reward can be earned."—General Douglas MacArthur