Storm Skreelix 
Creature — Drake Horror
Flying
Instant and sorcery spells you cast cost 
less to cast.
Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL