Like the other five Borderless Vault Boy treatments, players can only open them from Collector Boosters
C Common True King Lithosagym, the Disaster X EARTH Level 9 [ WyrmEffect ] ATK 2500 DEF 2300 If this card is in your hand: You can destroy 2 other monsters in your hand and/or face-up field, including an EARTH monster, and if you do, Special Summon this card, and if you do that, and both destroyed monsters were EARTH, you can also look at your opponent's Extra Deck and banish up to 3 monsters from it with different names
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Escape Tunnel
Use them strategically for their card advantage or soak some damage if opponents start looking your direction