Thanks to X-Metaman for pointing these out.
SBTK-ENSP1 Two-Headed King Rex
SBTK-ENSP2 Jack’s Knight
SBTK-ENSP3 Sphere Kuriboh
SBTK-ENSP4 Riryoku
SBTK-ENSP5 Reinforcements
SBTK-ENSP6 Fusion Party!
Christine/Skill
Activate this Skill during your Main Phase. Once per Duel, you can Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Material.
SBTK-ENSP7 Ritual Ceremony
Emma/Skill
Activate this Skill during your Main Phase. Once per Duel, you can reveal 1 Ritual Monster from your hand, then add 1 Ritual Spell from your Deck to your hand that can Ritual Summon that monster.
SBTK-ENSP8 Low Blow
Andrew/Skill
Activate this Skill during your Main Phase. Once per Duel, you can make 1 monster on the field lose 500 ATK/DEF until the end of this turn.
SBTK-ENSP9 Digging for Gold
David/Skill
Activate this Skill during your Main Phase. Once per Duel, you can banish 3 cards from your GY, then draw 1 card.