Thats especially handy because Flynn Rider, Charming Rogue can be surprisingly painful to get rid of as an opponent
(See the aforementioned Ghostway for ideas of other ways to keep people safe.) The only issue I have (other than a mana investment) is that it's harder to build around with things like Darksteel Forge or Bloodghast (tricks you could use with an Oblivion Stone to make things unfair)
An uncommon that competes with the mythic rare God cards
Its especially strong with huge enchantments like One with the Multiverse and token engines such as Sigil of the Empty Throne, turning every miracle draw into a major spike in value
3 Mishra's Factory Efficiency At All Costs Most creature lands are so mana-hungry that having multiple copies of them in play doesnt further your gameplan much, but Mishras Factory is very much the opposite
5 Goreclaw, Terror Of Qal Sisma Make Big Creatures Even Bigger Legendary Creature Cost: 3 Generic and 1 Green Mana Goreclaw, Terror of Qal Sisma is the first card on this list that shines in Historic Brawl as a commander for a mono-green deck