mtg commander decks midnight hunt Innistrad: MID Coven Counters MtG: 15 Best Innistrad Midnight

Can I use proxies at my LGS or in a tournament

You can cast it extremely cheaply using the first effect which reduces the cost by 1 for every permanent sacrifice this turn and has haste which means the card completely ignores summoning sickness

Both The Tenth Doctor and Rotating Fireplace let you Time Travel

While you have to wait a little longer for Wedding Festivity, this white enchantment is good enough to see play in many Magic formats, and it was a mainstay of its Standard format due to the sheer value it provides

Aura of Silence (T1, Ext, S, Block) Aura of Silence started out being a sideboard card that people gradually graduated to the main deck