Mirrodin set symbol
Identify Mirrodin by the unique set mark shown here (MRD). Older frames may place related marks differently, but the information line still carries the modern set code when present.
Set code
mrd
Released
Oct 2003
Cards
306
Type
Expansion
Lookalikes & traps
Borderless and showcase frames of Mirrodin / Chrome Mox still need the MRD line; a fancy frame is not a different set by itself. Also watch foil vs nonfoil: sheen does not change which set Mirrodin is.
Confirm after the icon
Bottom information line should show collector number + set code MRD (and usually a C/U/R/M rarity letter). On Mirrodin / Chrome Mox, mismatch between listing title and MRD is the usual bait-and-switch.
How to identify Mirrodin cards
- 1
Locate the Mirrodin set mark (MRD) before you trust the card name — reprints reuse names across products.
- 2
Apply Exodus-era color rules only: no mythic orange on MRD cards from 2003.
- 3
Verify MRD on the bottom line; listings that only show the card name are where Mirrodin get mixed with siblings.
- 4
If icon and MRD still disagree with a marketplace title, scan with Tappr rather than guessing from art.
Rarity by symbol color
Exodus-through-pre-mythic rules: black common, silver uncommon, gold rare on the Mirrodin symbol. Mythic orange does not apply yet (Shards of Alara, 2008). Purple timeshifted is a Time Spiral-family exception, not a generic MRD rule.
Legend shows the modern post-Exodus palette. Pre-Exodus sets and special rarities (for example Time Spiral purple timeshifted) follow the rarity reading above — not this swatch row alone.
FAQ
What does the Mirrodin set symbol look like?
Identify Mirrodin by the unique set mark shown here (MRD). Older frames may place related marks differently, but the information line still carries the modern set code when present. Reprints of Mirrodin / Chrome Mox under other codes keep different glyphs — match the icon, then MRD.
What is the Mirrodin set code?
The set code is MRD. It appears with the collector number on modern cards. If you see a different code, you are not holding the Mirrodin printing even when the name matches.
How do I read rarity on a Mirrodin card?
Exodus-through-pre-mythic rules: black common, silver uncommon, gold rare on the Mirrodin symbol. Mythic orange does not apply yet (Shards of Alara, 2008). Purple timeshifted is a Time Spiral-family exception, not a generic MRD rule.
How do I confirm a Mirrodin card quickly?
Icon match → rarity reading for this era → MRD + collector number. Borderless and showcase frames of Mirrodin / Chrome Mox still need the MRD line; a fancy frame is not a different set by itself.. Tappr can finish the printing match when the listing is ambiguous.
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