mtg commander masters commander deck Magic the Gathering: 1 deck box (can hold 100 sleeved cards) MTG Commander Masters Deck -

There are a lot of enter the battlefield triggers that pair nicely with Yarok

10 Rooftop Storm Rooftop storm is a rare blue enchantment from the original Innistrad block in the early 2010s

Job Select An Equipment with Job select simply comes into play with a 1/1 Hero token wielding it (and anyone whos played Phyrexia: All Will Be One will be familiar with this idea)

It also has the potential to serve as creature removal without killing your own Monastery Swiftspear

That said, there are a couple of places where Days Undoing might find a home

Players are often scared to overextend into Disk and dont play anything at all, which prompts you to leave its activation up as a threat without actually using it