The four mana is a lot but having flash goes a really long way to solving this, it makes him playable in control and slower decks and makes it far easier to get lots of value from
There are a lot of opportunities to break Destined Rivals down into bite-sized collections rather than look at it like one giant set, which is something Id love to see more of going forward
Try to keep the mana value of your cards at four or lower
The expansion highlights Mega Darkrai ex, Mega Zeraora ex, Mega Chandelure ex, Mega Excadrill ex, and more
Her entrance onto the battlefield is so strong that two opposing characters of your choice will be unable to ready themselves at the start of your opponent's next turn
Its actually a fun game to play: search for creatures that are of a given type versus changelings, sorted by EDHREC rank