Ob Nixilis, Captive Kingpin (MAT-091) - March of the Machine: The Aftermath: (Showcase) Foil Artist_Yeong-Hao Han Card EffectWhen you discard a

Card EffectWhen you discard a card with 6 or more [Power] during your action phase

Card Effect [Under Arrest] Characters with cost 2 or less can't challenge your characters

Card EffectTarget weapon attack gains +4 [Power]

making them the ones with the problem

This Fast Forces set stands out as one of the most visually stunning ever created

Ob Nixilis, Captive Kingpin (MAT-091) - March of the Machine: The Aftermath: (Showcase) Foil Artist_Yeong-Hao Han Card EffectWhen you discard aCasting Cost Card TypeLegendary Creature Demon RarityMythic ArtistKrharts Power Toughness4 3 Legalities LEGAL Standard LEGAL Future LEGAL Historic LEGAL Gladiator LEGAL Pioneer LEGAL Explorer LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage NOT LEGAL Penny LEGAL Commander LEGAL Oathbreaker LEGAL Brawl LEGAL Historic Brawl LEGAL Alchemy NOT LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern NOT LEGAL Predh Flying, trample