Monks of Ascension

When you draft this card, you also draft
Erayo, Sasaya, Homura, and Kuon.
When Rune-Tail, Kitsune Ascendant is your Commander, you can also have Erayo,
Sasaya, Homura, and Kuon as your Commanders. But, when you do so, these
cards have to be your only Commanders.