Your search for "Endless Wurm 249" revealed the following:
Endless Wurm (USG) from Urza's Saga, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: DiTerlizzi Card Text:TrampleDuring your upkeep, sacrifice an enchantment or sacrifice Endless Wurm.
Nyota Uhura, Communications - Borderless Tribble (Foil) (TRK) from Star Trek, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Darius Zablockis Card Text:Hailing Frequencies — As Nyota Uhura enters, choose a number between 0 and 10.Open a Channel...
Endless Wurm - USG Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: DiTerlizzi Card Text:TrampleDuring your upkeep, sacrifice an enchantment or sacrifice Endless Wurm.