Pain Magnification 
Enchantment
Whenever an opponent is dealt 3 or more damage by a single source, that player discards a card.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment
Whenever an opponent is dealt 3 or more damage by a single source, that player discards a card.