While most Ace Specs are flawed and have niche applications, Secret Box has seen play in multiple high-level decks since its release in "Twilight Masquerade"
Which soulbound creature do you see yourself playing first
legendofa on Why is Untapping Lands a 1 year ago In blue, the Urza's Block hugely skew land untapping, and that block is widely considered to be an overpowered mistake, especially for blue
This six mana creature lets you keep everyone's creatures alive, in a way, by bringing any nonartifact creature that dies back to the battlefield under your control face down, but as a 2/2 Cyberman artifact creature
Scyther isnt behind either, as its a card with no retreat cost , so if one of your cards gets knocked out, you can send this one to the Active Spot while working on building your next attacker, and then, if you need Scizor to attack, you can retreat and evolve it easily
Ayula, Queen Among Bears Ayula, Queen Among Bears is an obvious choice for a bear typal Commander deck