The complete Spectrum Wheel.

The Spectrum Wheel (スペクトラムホイール (formatted as Sp(スペクトラム)ホイール exclusively in card text) Supekutoramu Hoīru) is a gameplay element that is used perform Spectrum Summons. A Spectrum Wheel is made up of seven Spectrum Pieces, but it always starts out empty. Using card effects, you have to collect the Spectrum Pieces in order to complete the Spectrum Wheel. When your Spectrum Wheel is complete, you can perform a Spectrum Summon.

The Spectrum Wheel is completely separate from the field and is also not a card, so effects that target cards will not affect the Wheel.

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