A noncreature permanent that turns into a creature can attack, and its {T} abilities can be activated, only if its controller has continuously controlled that permanent since the beginning of their most recent turn. It doesn't matter how long the permanent has been a creature.
The lands are both lands and creatures at the same time. They are affected by anything that affects either permanent type.
It affects Swamps controlled by any and all players.
This printing is one of 3 catalogued treatments from ME4 — the lineup includes Foil and Nonfoil alongside the standard finish. Across our catalog the Rarix library tracks every variant in the same family so collectors can compare price, scarcity and demand inside a single lineage.
Card #210 of *Masters Edition IV*, the set that shipped alongside the January 2011 Masters Edition IV release.
Card type: Artifact, printed at rare. Rares occupy the bottom-of-pack rare slot in standard boosters. Mana cost: {4} (4 converted).
Legal in Legacy, Vintage, and Commander.
EDHrec ranks this card #12,572 in Commander, putting it in the fringe-play tier of the format's playable pool.
Illustrated by Christopher Rush. Rarix catalogs 542 other cards credited to this artist.
Magic: The Gathering · ™ & © Wizards of the Coast · Illus. Christopher Rush
Card data via Scryfall. Rarix is fan-made; not endorsed by the rights holders.
