Boon of Rhashsamdi

Enchant creature
Enchanted creature has menace, trample, and "Whenever this creature attacks, put a +1/+1
counter on it", and is an enchantment in addition
to its other types.
When Boon of Rhashsamdi is put into a
graveyard from the battlefield, return Boon of Rhashsamdi to its owner's hand.