Your search for "Blot Out 12" revealed the following:
Blot Out - MAT Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Chris Cold Card Text:Target opponent exiles a creature or planeswalker they control with the greatest mana value among creatures and planeswalkers...
Blot Out (MAT) from March of the Machine: The Aftermath, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Chris Cold Card Text:Target opponent exiles a creature or planeswalker they control with the greatest mana value among creatures and...
Expansion for G.I. JOE Heroscape: Rumble at the Rift Battle Box / Heroscape Marvel: The Conflict Begins / Heroscape Master Set: Battle for the Underdark / Heroscape Master Set: Age of Annihilation / Heroscape Master Set: Rise of the Valkyrie...