Font of Magic 
Enchantment
Instant and sorcery spells you cast cost 
less to cast for each time you've cast a commander from the command zone this game.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment
Instant and sorcery spells you cast cost less to cast for each time you've cast a commander from the command zone this game.