Whether you control Seasinger is checked continually, starting when the ability is activated. If, before the ability resolves, there’s any point at which you don’t control Seasinger, the ability has no effect — even if you control Seasinger again by the time the ability resolves. The same is true regarding whether Seasinger remains tapped.
If a creature’s controller doesn’t control an Island, that creature is an illegal target. Whether that player controls an Island is checked both when Seasinger’s ability is activated and when it resolves. However, targeting restrictions aren’t checked continually while a spell or ability is on the stack.
You do not lose control of the stolen creature if it stops being a creature. You only lose control if Seasinger leaves your control or becomes untapped.
Last observed on Scryfall 2 months ago at $0.34. Over the trailing 90 days the price moved between $0.31 and $0.39 across 49 observations. Cross-checked across TCGplayer, eBay sold, Cardmarket EU, and Star City.
This printing is one of 2 catalogued treatments from 5ED — the lineup includes 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 #121 of *Fifth Edition*, the set that shipped alongside the March 1997 Fifth Edition release.
Card type: Creature — Merfolk, color identity blue, printed at uncommon. Uncommons fill the middle-tier slots in a standard booster configuration. Mana cost: {1}{U}{U} (3 converted).
Legal in Legacy, Vintage, and Commander.
EDHrec ranks this card #20,379 in Commander, putting it in the fringe-play tier of the format's playable pool.
Illustrated by John Matson. Rarix catalogs 294 other cards credited to this artist.
Magic: The Gathering · ™ & © Wizards of the Coast · Illus. John Matson
Card data via Scryfall. Rarix is fan-made; not endorsed by the rights holders.
