Cheapest priced copy (Tempest): $0.39 at Card Kingdom, near mint, their price list as of .
Phyrexian Splicer 
Artifact · Uncommon · Tempest · #303
{2}, {T}, Choose flying, first strike, trample, or shadow: Until end of turn, target creature with the chosen ability loses it and another target creature gains it.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.39 to $0.59 at Card Kingdom
One ruling from Wizards of the Coast
- 4 October 2004If the target which is having the ability removed does not have that ability during the resolution of this effect, then this effect still grants the chosen ability. The reason is that the second target is still legal even if the first one is not.