It can be anythingpower, toughness, something in rules text, the name of a card (Four Wishes, anyone?), collector number, and so on

Amber/Emerald Starter Deck List Cubby - Mighty Lost Boy (x3) Dalmatian Puppy - Tail Wagger (x5) Don Karnage - Prince of Pirates (x2) Flotsam - Riffraff (x2) Helga Sinclair - Vengeful Partner (x1) Horace - No-Good Scoundrel (x2) Jasper - Common Crook (x2) Jetsam - Riffraff (x2) Kida - Atlantean (x3) Kit Cloudkicker - Tough Guy (x2) Lucky - The 15th Puppy (x1) Nani - Protective Sister (x2) Patch - Intimidating Pup (x3) Peter Pan - Lost Boy Leader (x1) Pluto - Determined Defender (x1) Pluto - Friendly Pooch (x3) Pongo - Determined Father (x1) Robin Hood - Daydreamer (x1) Rolly - Hungry Pup (x3) Starkey - Devious Pirate (x1) Tinker Bell - Generous Fairy (x2) Wendy Darling - Talented Sailor (x3) Wildcat - Mechanic (x2) Strike A Good Match (x2) Hypnotize (x2) Improvise (x3) De Vil Manor - Crueella's Estate (x3) Neverland - Mermaid Lagoon (x2) You can see the full Amber/Emerald starter deck list below via The Laughing Place
12Magic: The Gathering|Star TrekCollector Boosters
When Wizards announced the Affinity bannings in March 2005, it completely gutted the deck, taking away not only two of its key win conditions in Disciple of the Vault and Arcbound Ravager but all six of the artifact lands as well
Despite this major downside, within mono white decks, Anti-Venom and Horrifying Healer can be a real menace