Seismic Strike 

Instant
Seismic Strike deals damage to target creature equal to the number of Mountains you control.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
Seismic Strike deals damage to target creature equal to the number of Mountains you control.