Your search for "Arbor Colossus 174" revealed the following:
Arbor Colossus (C15) from Commander 2015, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Jaime Jones Card Text:Reach3GGG: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)When Arbor Colossus becomes...