One of the earlier sets to play around with them was Eventide, it featured: Twinblade Slasher, Quillspike, Woodlurker Mimic, Cauldron Haze, Noxious Hatchling, Soul Snuffers, Wickerbough Elder, Deity of Scars and finally Necroskitter
Unburial Rites Like Roar of the Wurm, the most common play pattern with this card is to discard it so that you can cast Unburial Rites from your graveyard for 1 mana less
Costs around $3 at the moment, and allowed in every format
Aurelia, the Warleader Weve covered cEDH extra combat, but what about more casual extra combat decks
How much does Nicol Bolas cost
As an aside, its also a great metaphor for when you want to rest up for a bit or for when youre burned out and could use a little time outside