Your search for "Dreadwurm 297" revealed the following:
Dreadwurm (297) - ZNR Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Anato Finnstark Card Text:Landfall — Whenever a land enters the battlefield under your control, Dreadwurm gains indestructible until end of turn....
Dreadwurm - Showcase (ZNR) from Zendikar Rising, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Anato Finnstark Card Text:Landfall — Whenever a land enters the battlefield under your control, Dreadwurm gains indestructible until end of turn.
Dreadwurm - Showcase (Foil) (ZNR) from Zendikar Rising, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Anato Finnstark Card Text:Landfall — Whenever a land enters the battlefield under your control, Dreadwurm gains indestructible until end of turn.