Call the Skybreaker makes a 5/5 flyer, and it does not take many Elementals the size of a Shivan Dragon to win a game
Another possibility is Emry, Lurker of the Loch, which can mill it and cast it for the Disturb cost from the graveyard
Like all Commander precon decks, these are ready to play right out of the box but theres also a lot of room to optimize and improve them
Translating copious amounts of colorless mana into WUBRG is going to be a challenge, and as previously mentioned, evasion will be at a premium once we actually get that WUBRG OverrunOverrun effect activated
In the end, the day/night mechanic had a bunch of problems that sunk it: It was complicated, it was wordy, it required at times tracking something that didn't matter but could, etc
Creature - Elf Archer Color tag templates(None) Reclamation Sage When this creature enters, you may destroy target artifact or enchantment