Urborg, Tomb of Yawgmoth [From the Vault: Realms] Saga where X is the number

where X is the number of Goblins on the battlefield

{T}: Add one mana of any type that a land you control could produce

Set: Magic Premiere Shop 2009 Type: Basic Land — Swamp Rarity: Common ({T}: Add {B}

Each player who controls four or fewer lands may search their library for up to X basic land cards and put them onto the battlefield

and counters are modifications

Urborg, Tomb of Yawgmoth [From the Vault: Realms] Saga where X is the numberSet: From the Vault: Realms Type: Legendary Land Rarity: Mythic Each land is a Swamp in addition to its other land types. "Yawgmoth's corpse is a wound in the universe. His foul blood seeps out, infecting the land with his final curse." Lord Windgrace