Skip to main content

Popular

Baseball Basketball Football Hockey Soccer

MyCardfolio

Every card. Every set. Every year. The comprehensive sports card database.

Popular Sports

Baseball Basketball Football Hockey Soccer Golf

Browse

All Sports Search Cards

Connect

Home X / Twitter MCP for AI Privacy

© 2026 MyCardfolio

All rights reserved

2021 Extended Series Card Sets - MyCardfolio

Home
Sports
unknown
2021
Extended Series

2021 Extended Series Card Sets

Choose a set to browse individual Extended Series unknown cards from 2021

11ye

1 cards

1JP9

1 cards

1l7n

1 cards

2006-07 Retro

1 cards

2cb

1 cards

37 Sets Available91 Total Cards

Browse Cards

2vh

2 cards

Alexandria Wennberg

1 cards

Base Set

4 cards

Black Diamond 2005-06 Retro

1 cards

Clear Cut

1 cards

Dazzlers

1 cards

EVAN RODRIGUES

1 cards

Extended Series

2 cards

French

6 cards

Gold

2 cards

HoloGrFX Rookies

1 cards

Hologrfx Rookies Gold

1 cards

HoloGrFX Rookies Gold

1 cards

NHL Specialists

1 cards

Read

1 cards

Retro

9 cards

Retro Gold Stockpile

2 cards

Retro High Gloss

1 cards

Ripple the Twine

3 cards

Silver Foil

13 cards

Speckled Rainbow Foil

3 cards

SPx

1 cards

SPx Finite

3 cards

Triple Dimensions Reflections

5 cards

Triple Dimensions Reflections Amethyst

1 cards

Triple Dimensions Reflections Ruby

1 cards

UD3

1 cards

UD Canvas

1 cards

UD Canvas Black

1 cards

UD Canvas Young Guns

1 cards

UD Canvas Young Guns Black

1 cards

Young Guns

13 cards