In 2021, a complete set of these Cosplay cards sold for $7,000
Along with removal and recursion, I would argue that ramp and draw make up the Four Pillars of Good Deck Building when it comes to Commander
If a card like Soulflayer had every single one of its abilities explained in detail, its reminder text would be as long as a book
Flaaffy #180 (Pokemon Japanese Gold, Silver, New World | Pokemon Cards) prices are based on the historic sales
Mountain Rarity: Common TYPE: Basic Land SUBTYPE: Mountain CMC: 0 Mana cost: USD: $0.43 EUR: 0.50 TIX: 0.04 EDHREC RANK: - ( : Add .) Mountain Rarity: Common TYPE: Basic Land SUBTYPE: Mountain CMC: 0 Mana cost: USD: $0.68 EUR: 0.50 TIX: 0.04 EDHREC RANK: - ( : Add .) Mountain Rarity: Common TYPE: Basic Land SUBTYPE: Mountain CMC: 0 Mana cost: USD: $0.82 EUR: 0.58 TIX: 0.04 EDHREC RANK: - ( : Add .) Mountain Rarity: Common TYPE: Basic Land SUBTYPE: Mountain CMC: 0 Mana cost: USD: $0.53 EUR: 0.53 TIX: 0.04 EDHREC RANK: - ( : Add .) Mythic Proportions Rarity: Rare TYPE: Enchantment SUBTYPE: Aura CMC: 7 Mana cost: USD: $0.52 EUR: 0.56 TIX: 0.02 EDHREC RANK: 22511 Enchant creature Enchanted creature gets +8/+8 and has trample
That said, it doesn't cast your commander the way something like Geode Golem does, so using this ability doesn't add any tax the next time you'd cast your commander
