Your search for "Groundshaker Sliver 177" revealed the following:
Groundshaker Sliver (M14) from Magic 2014, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Chase Stone Card Text:Sliver creatures you control have trample. (If a Sliver you control would assign enough damage to its blockers to destroy them,...
Groundshaker Sliver (Foil) (M14) from Magic 2014, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Chase Stone Card Text:Sliver creatures you control have trample. (If a Sliver you control would assign enough damage to its blockers to destroy...