Can I build a deck together with friends on TCGSwap?

Yes. Every deck on TCGSwap has a Collaboration Space. You can invite up to 5 friends; they can suggest card changes, discuss ideas, and playtest proposals. You review and apply suggestions before anything changes in your deck.

How does deck collaboration work?

It works like a pull request for your deck. Collaborators open the deck editor, make their proposed changes, and submit a suggestion with a note. You get notified, open the comparison view to see exactly what they changed, and choose to apply all, cherry-pick individual cards, or decline. Nothing changes in your deck until you approve it.

Can collaborators chat and discuss the deck?

Yes. The Collaboration Space has a shared group discussion thread for the whole deck, plus a per-suggestion Q&A thread for each proposal. You can @mention teammates and link specific cards inline.

Is collaborative deck building free?

Yes, collaboration is free for all TCGSwap users during beta. You can invite up to 5 collaborators per deck.

Does TCGSwap work for MTG, Pokémon, Yu-Gi-Oh and One Piece collaboration?

Yes. The Collaboration Space supports all four games — Magic: The Gathering, Pokémon TCG, Yu-Gi-Oh and One Piece. Format validation and card prices are included for each game.

Underworld Ritual of Prediction · Darkwing Blast 8428836/101

Underworld Ritual of Prediction (Darkwing Blast 8428836/101), Common. Market price $0.05, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

This card is used to Ritual Summon any "Prediction Princess" Ritual Monster from your hand or GY in face-up Attack Position or face-down Defense Position. You must also Tribute monsters from your hand or field, whose total Levels equal or exceed the Level of the Ritual Monster you Ritual Summon. During the Standby Phase, if you control a "Prediction Princess" Ritual Monster: You can banish this card from your GY; Special Summon 1 non-Ritual "Prediction Princess" monster from your Deck in face-down Defense Position.

Weekly price history

Week	Market price
2026-W31	$0.04
2026-W32	$0.04
2026-W33	$0.04
2026-W34	$0.04
2026-W35	$0.04
2026-W36	$0.04
2026-W37	$0.04
2026-W38	$0.05
2026-W39	$0.05

Questions

How much is Underworld Ritual of Prediction 8428836/101 worth?

Underworld Ritual of Prediction from Darkwing Blast (8428836/101) has a market estimate of $0.05, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket.

Is Underworld Ritual of Prediction 8428836/101 rare?

It is a Common from Darkwing Blast, a 101-card set.

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