It has the loyalty abilities of all other planeswalkers on the battlefield, giving you unmatched flexibility
If both creatures are Legendary, like Brallin, Skyshark Rider and Shabraz, the Skyshark, you can still run both as your Commander like any other Partner
The face commanders from the MTG Lost Caverns of Ixalan EDH decks have been revealed and, surprisingly, there are four of them with this release instead of the usual two
Its difficult to calculate how many packs in a box will have a mythic, but we do know that every pack thats themed after a planeswalker (like Liliana) will have a mythic planeswalker included
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He also has a delirium effect at your end step, which allows you to exile cards from your graveyard with a total of four or more card types to put one of those cards onto the battlefield if its a permanent