Khalni Hydra 
Creature — Hydra
This spell costs less to cast for each green creature you control.
Trample
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Hydra
This spell costs less to cast for each green creature you control.
Trample