Your search for "Treeshaker Chimera 318" revealed the following:
Treeshaker Chimera (NCC) from New Capenna Commander, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Vincent Proce Card Text:All creatures able to block Treeshaker Chimera do so.When Treeshaker Chimers dies, draw three cards.
Treeshaker Chimera - NCC Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Vincent Proce Card Text:All creatures able to block Treeshaker Chimera do so.When Treeshaker Chimers dies, draw three cards.