When you cast this spell,
amass Orcs 5
(Put five +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.),
mill (To mill a card, a player puts the top card of their library into their graveyard.) five cards, then return a creature card from your graveyard to the battlefield.
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Whenever a commander an opponent controls dies,
the Ring tempts you.