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Players can have multiple partners in a deck

The Dark Side of Dimensions Movie Pack Gold Edition Gold Rare 2020-01-23 MVP1-DES10 Yu-Gi-Oh

So the ideal scenario would be to target your monster with this, and let it sit on your opponent's turn

The spell, well it's like "Core Transplant Unit" (very helpful though)

Together, they struck

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