Withering Wisps's triggered ability has an "intervening 'if' clause." That means (1) the ability won't trigger at all unless there are no creatures on the battlefield when a turn's end step begins, and (2) the ability will do nothing if there are any creatures on the battlefield by the time the ability resolves.
The number of snow Swamps you control and the number of times Withering Wisps's ability has been activated so far that turn are checked each time you attempt to activate the ability.
If all creatures leave the battlefield during a turn's End step (after any "at the beginning of the end step" triggers would have triggered that turn), Withering Wisps will remain on the battlefield because the trigger condition has already passed.
This printing is one of 3 catalogued treatments from ME2 — 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 #114 of *Masters Edition II*, the set that shipped alongside the September 2008 Masters Edition II release.
Card type: Enchantment, color identity black, printed at uncommon. Uncommons fill the middle-tier slots in a standard booster configuration. Mana cost: {1}{B}{B} (3 converted).
Legal in Legacy, Vintage, and Commander.
EDHrec ranks this card #20,624 in Commander, putting it in the fringe-play tier of the format's playable pool.
Illustrated by NéNé Thomas. Rarix catalogs 68 other cards credited to this artist.
Magic: The Gathering · ™ & © Wizards of the Coast · Illus. NéNé Thomas
Card data via Scryfall. Rarix is fan-made; not endorsed by the rights holders.
