His Slash attribute opens the door for sword-based support cards , while Reds aggressive toolkit provides plenty of ways to maintain momentum
[ Labeling based on the Secondhand Articles Business Act: Tokyo Metropolitan Public Safety Commission No

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SR Super Rare Dragonlark Pairen X WIND Rank 6 [ WyrmXyzEffect ] ATK 2700 DEF 1300 2 Level 6 monsters Cannot be destroyed by battle or card effect while a monster, other than "Dragonlark Pairen", is face-up on the field that was Special Summoned from the GY
Yes, cards are legal
If players don't have any cards like this, they can still turn their monsters to be set horizontally