The Ceasless Hunger (AKA: New lamog) had a stint in Standard, occasionally sees play in Modern Eldrazi-Tron decks and Legacy Cloudpost decks, and is a pricey-but-effective staple in Commander
You can even play another copy of Shahrazad in the middle of a subgame to create a subgame within a subgame
Its also a part of a good cycle of cards, with this one being one of the better ones
While that version costs about $400, you can get more modern reprints of Lightning Bolt at an affordable $.50
Including cards that clone or flicker Aragorn can help you ensure youre always the monarch when it attacks
The best part of this card is that your opponent skips that phase, so if you take your opponents beginning phase, you untap all your permanents, draw a card, and trigger abilities that happen at the beginning of your turn