Yu-Gi-Oh! · Shadows in Valhalla
Forbidden Trapezohedron
French name: Trapézoèdre Interdit
Forbidden Trapezohedron (Shadows in Valhalla SHVA-EN019) has a market price of US$0.22 as of Nov 8, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 8, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Card details
- Type
- Spell Card
- Attribute
- SPELL
- Monster type
- Normal
Card text
Apply this effect, depending on the Extra Deck monster card types (Fusion, Synchro, or Xyz) of monsters you control. You must control exactly 2 different monster card types to activate and to resolve this effect. • Fusion and Synchro: Special Summon 1 "Outer Entity" Xyz Monster from your Extra Deck, and if you do, attach this card to it as Xyz Material. • Synchro and Xyz: Special Summon 1 "Elder Entity" Fusion Monster from your Extra Deck. • Xyz and Fusion: Special Summon 1 "Old Entity" Synchro Monster from your Extra Deck. You can only activate 1 "Forbidden Trapezohedron" per turn.
About this card
Forbidden Trapezohedron is card SHVA-EN019 in Shadows in Valhalla, a Yu-Gi-Oh! set released Aug 17, 2018. Rarity: Secret Rare. Finishes: 1st Edition. Reference market price on Nov 8, 2026: US$0.22. Over the last 30 days, the 1st Edition price went down 4.3%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.
