Training Grounds
Avatar: The Last Airbender Eternal
#20
Enchantment
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.
Illustrated by Viacom
Not legal
Standard
Legal
Modern
Legal
Pioneer
Legal
Legacy
Legal
Vintage
Not legal
Pauper
Legal
Commander
Legal
Brawl
Legal
Historic
Legal
Penny