Fusion Party!

Skill - Christine

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.

Rulings – Yugipedia

Printings:

Speed Duel: Trials of the Kingdom Sneak Peek participation cards: SBTK-ENSP6 (Common) - 2019-11-30
Speed Duel: Battle City Box: SBCB-ENS17 (Common) - 2020-11-26
Speed Duel Tournament Pack 4: STP4-ENS04 (Common) - 2022-09-29

Prices:

Cardmarket: 0.08 €
TCGplayer: $ 0.29