The card was removed from digital versions of the game and replaced in future reprints of the set
Venom Sliver grants all of your slivers deathtouch
The same is true for first strike, double strike, deathtouch, hexproof, haste, indestructible, lifelink, menace, reach, trample, and vigilance
They are: Branchloft Pathway (Green) / Boulderloft Pathway (White) Brightclimb Pathway (White) / Grimbclimb Pathway (Black) Clearwater Pathway (Blue) / Murkwater Pathway (Black) Cragcrown Pathway (Red) / Timbercrown Pathway (Green) Needleverge Pathway (Red) / Pillarverge Pathway (White) Riverglide Pathway (Blue) / Lavaglide Pathway (Red) The reason there are six Pathways in the set, rather than the five or 10 that Wizards normally puts in a cycle, is to support the mana requirements for the Party classes
You could also suspend it if you don't have a way to get it into the graveyard, if you don't mind waiting a few turns