Long ago they fell under the dominion of the One, and they became Ringwraiths, shadows under his great Shadow, his most terrible servants." #MTGxLOTRTHE WITCH-KING
The Spice Corner You can find this past week's 5-0 lists here
They are naturally good against spot removal on their own, and Ajani allows you to make them large enough that you dont need to overcommit to the battlefield, which in turn makes them good against sweepers as well
The dream is playing this on turn 2 as a Rampant Growth effect, and that will come up occasionally, but as the Nurturing Pixie decks have shown us, just being able to bounce a creature back to your hand to reset an Enters ability can be good enough
If youre planning to get just one to play with and upgrade, our pick is the Sapphire/Steel Starter Deck