Draco 
Artifact Creature — Dragon
Domain — This spell costs 
less to cast for each basic land type among lands you control.
Flying
Domain — At the beginning of your upkeep, sacrifice this creature unless you pay 
. This cost is reduced by for each basic land type among lands you control.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL