This card was printed in the following sets:

Card Name: Symbol Set Block
Molten Slagheap Time Spiral (Uncommon) Time Spiral Time Spiral Block
Molten Slagheap Magic: The Gathering-Commander (Uncommon) Magic: The Gathering-Commander Miscellaneous
Molten Slagheap Commander 2013 Edition (Uncommon) Commander 2013 Edition Miscellaneous
Molten Slagheap Commander Anthology (Uncommon) Commander Anthology Miscellaneous
Molten Slagheap Time Spiral Remastered (Uncommon) Time Spiral Remastered

This card has restrictions in the following formats:

Format Legality
Modern Legal
Legacy Legal
Vintage Legal
Commander Legal
x For more information regarding each format and play style modifications, visit the Banned / Restricted Lists for DCI-Sanctioned Tournaments page on the Magic: The Gathering website.

Gatherer works better in the Companion app!