Your search for "Hedge Troll 151" revealed the following:
Hedge Troll (PLC) from Planar Chaos, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Paolo Parente Card Text:Hedge Troll gets +1/+1 as long as you control a Plains.W: Regenerate Hedge Troll.
Hedge Troll (Foil) (PLC) from Planar Chaos, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Paolo Parente Card Text:Hedge Troll gets +1/+1 as long as you control a Plains.W: Regenerate Hedge Troll.
Hedge Troll - PLC Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Paolo Parente Card Text:Hedge Troll gets +1/+1 as long as you control a Plains.W: Regenerate Hedge Troll.
Hedge Troll - Release Event Promo (Foil) (PPLC) from Planar Chaos, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Paolo Parente Card Text:Hedge Troll gets +1/+1 as long as you control a Plains.W: Regenerate Hedge Troll.