Kaervek's Torch 
Sorcery
As long as Kaervek's Torch is on the stack, spells that target it cost 
more to cast.
Kaervek's Torch deals X damage to any target.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL