Training Grounds (Showcase) (MAT-059) - March of the Machine: The Aftermath: (Showcase)
NOT LEGAL
Standard
NOT LEGAL
Future
LEGAL
Historic
LEGAL
Timeless
LEGAL
Gladiator
LEGAL
Pioneer
LEGAL
Modern
LEGAL
Legacy
NOT LEGAL
Pauper
LEGAL
Vintage
LEGAL
Penny
LEGAL
Commander
LEGAL
Oathbreaker
LEGAL
Standardbrawl
LEGAL
Brawl
NOT LEGAL
Alchemy
NOT LEGAL
Pauper Commander
LEGAL
Duel
NOT LEGAL
Oldschool
NOT LEGAL
Premodern
LEGAL
Predh
Activated abilities of creatures you control cost 
less to activate. This effect can't reduce the mana in that cost to less than one mana.
less to activate. This effect can't reduce the mana in that cost to less than one mana.Training Grounds (Showcase) (MAT-059) - March of the Machine: The Aftermath: (Showcase)
NOT LEGAL
Standard
NOT LEGAL
Future
LEGAL
Historic
LEGAL
Timeless
LEGAL
Gladiator
LEGAL
Pioneer
LEGAL
Modern
LEGAL
Legacy
NOT LEGAL
Pauper
LEGAL
Vintage
LEGAL
Penny
LEGAL
Commander
LEGAL
Oathbreaker
LEGAL
Standardbrawl
LEGAL
Brawl
NOT LEGAL
Alchemy
NOT LEGAL
Pauper Commander
LEGAL
Duel
NOT LEGAL
Oldschool
NOT LEGAL
Premodern
LEGAL
Predh
Activated abilities of creatures you control cost less to activate. This effect can't reduce the mana in that cost to less than one mana.
less to activate. This effect can't reduce the mana in that cost to less than one mana.