TYPE
Legendary Land

ABILITY
The Goblin Sparring Grounds enters tapped. {T}: Add {B} or {R}. If this mana is spent to cast a Goblin spell, you get an experience counter. {B}{R}: Until end of turn, The Goblin Sparring Grounds becomes a Goblin creature in addition to its other types and gains "This creature's power and toughness are each equal to the number of experience counters you have." The Goblin Sparring Grounds can be your commander.

LEGALITIES
Standard Future Historic Timeless Gladiator Pioneer Modern Legacy Pauper Vintage Penny Commander Oathbreaker Standardbrawl Brawl Competitivebrawl Alchemy Paupercommander Duel Oldschool Premodern Predh Tlr

LANGUAGES
EN