Ive already made it relatively clear that both work pretty great with knights, so being able to play them from the top of your library directly attached onto your knights is definitely great
Zenith Festival requires so much mana to be useful, and even though you can play those cards until your next turn, if you hit more than two bombs youre likely not going to get the full value of this card
By letting you rummage whenever you drop a Dwarf or Equipment, he gives you a lot of power to dig through your deck
The vast majority of popular commanders arent even vulnerable to Cut Down, though it notably hits Prosper, Tome-Bound, so theres that
Fludge, Gunk Guardian is even better
Moonrise Cleric One generic, two white/black hybrid creature Bat Cleric 2/3 Common Flying Whenever Moonrise Cleric attacks, you gain 1 life