Snake Pit 
Enchantment
Whenever an opponent casts a blue or black spell, you may create a 1/1 green Snake creature token.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment
Whenever an opponent casts a blue or black spell, you may create a 1/1 green Snake creature token.