Fortunately, the only mana cards I cannot cascade into are Kozlieks Channeler and Twisted Abomination
Not only do you stop exiling cards if you exile a nonland card with lesser mana value than the spell with cascade, but the resulting spell you cast must also have lesser mana value
White/Black - Enchantress Enchantments While there are a number of enchantments to choose from, some of them (Grasp of the Hieromancer and Infernal Scarring at least) work much better in aggressive decks than in controlling builds like White/Black tends toward
Because Mowu's replacement effect affects only Mowu, it will apply if Mowu somehow enters the battlefield with one or more +1/+1 counters on it and give Mowu an additional +1/+1 counter
Plus, everything is donated, so you know youre supporting a great cause as you start your collection
This can actually have some pretty interesting gameplay applications, particularly in green where you might have the biggest creatures and this will clear out small utility creatures or other weaklings that might get in their way