In The Lost Caverns of Ixalan, your players will face an adventure like never before, discovering long-lost ruins, ancient civilizations alive and well, and fan-favorite creatures running rampant
You do not need both
Their key Extra Deck monster however is "Swordsoul Grandmaster - Chixiao", an Extra Deck searcher able to search or banish any "Swordsoul" card from the Deck when summoned (who also has its own negation disruption effect), which enables further extension by searching for more "Swordsoul" starters or banishing a Trap to make a "Swordsoul Token", or to further strengthen the end board by searching a "Blackout" or "Emergence" (for it to search a generic Wyrm boss monster, like "Archnemeses Protos")
You can also play Adaptive Automaton as a generic lord for the creature type you choose
This is a good option because you can organize the cards based on your preferences, plus theyll stay safe and crinkle-free
Card Description [On Play] Look at 3 cards from the top of your deck and place them at the top or bottom of the deck in any order.[When Attacking] Reveal 1 card from the top of your deck and play up to 1 Character card with a cost of 2 rested