- This card's exclusive promotional holographic key card, (10a/46) version was included in the Shadowclash Collector Tin.
- Mist Rias, Sonic Guardian has a darkness counterpart, Mongrel Man.
- This card appears in the artwork of Aeris, Flight Elemental and Le Quist, the Oracle.
- This card was restricted to 1 in the OCG banlist.
- It was later released to unrestricted.
- This card has many versions;
- This cards effect is also similar to Hustle Castle, however Hustle Castle only draws a card for your own creatures summoned into the battle zone.
|Mist Rias, Sonic Guardian|
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