Despite being a 7/7 on the surface, Moonshadow enters as a 1/1 with the capability to grow over time
(Duress also has the advantage of being much better against Burn than Thoughtseize.) Spell Pierce is generally better than Unified Will, but it gets worse the longer the game goes on, whereas its pretty easy to turn on Unified Will in the late game with a Nexus or whatever lying around
The choice of planes includes Norn's Dominion because thats too ridiculous to ignore, some wacky phenomenon cards (we can have two of them), and planes that benefit from having small creatures, Naya creatures, or tribal interaction
Repulse falls into a similar sort of trap
Of all my pieces, its the one most in need of a touch up now
Luckily, some of these Sagas are extremely pushed as a result