Luckily, these cards are pretty darn powerful when cast for their Miracle cost, so they are a great inclusion anyway
Wilt-Leaf Liege: devotion lord.
Though it doesn't match the popularity of some other Eeveelutions, Sylveon gets incredible love in this set with some appropriately cute art.
And if you were able to fix your issue with these solutions and are ready to start playing again, make sure you've got Arena Tutor with you to improve your games
Nethroi, Apex of Death 7 hard-to-cast mana which, like all mutate cards, is asking to get blown out, and Nethroi, Apex of Death doesnt get you a whole lot for the risk
Sengoku doesn't need to spend all his early resources on Zeus, but denying her the window to play a copy safely, or clearing it fast when she does, keeps her Leader draw dependent on landing attacks instead of banking free value