Eowyn, Shieldmaiden is an awesome Commander, while Beregond of the Guard can power-up your army, too, but there arent a great number of expensive reprints to be found
If a card is discarded while Rest in Peace is on the battlefield, abilities that function when a card is discarded (such as madness) still work, even though that card never reaches a graveyard
But its second ability also means you can protect yourself against things like counterspells or removals that could stagger or even ruin your combo
If you're ready to go big and swing tall, this is the guide you need
Or go up againstUrza, Chief Artificer and other commanders that flood the board with artifact creatures, but its often Murder at a discount, which Im plenty happy to play