Three commons, three uncommons will happen 12.5% of the time
It gets the preference here over Arachnogenesis because elves are a much more well-supported deck than spiders, and you can certainly play both in your green tokens deck
With And Im the Captain Piglet, Pooh Pirate Captain gains the ability to quest for two additional lore whilst you have at least two additional characters in play
Cloud, Midgar Mercenary Rarity: Mythic Rare TYPE: Legendary Creature SUBTYPE: Human Soldier Mercenary CMC: 2 Mana cost: USD: $70.42 EUR: 53.33 TIX: 0.00 EDHREC RANK: 1787 (2/1) When Cloud enters, search your library for an Equipment card, reveal it, put it into your hand, then shuffle
You might even spot a Ghostflame card shimmering with Ugins eerie energy
Even with this in mind, however, the future of this card seems somewhat suspect, as its hardly a staple for multiple archetypes