Spiked Ripsaw

Artifact — Equipment

Innistrad: Crimson Vow (VOW) · uncommon

Oracle Text

Equipped creature gets +3/+3.
Whenever equipped creature attacks, you may sacrifice a Forest. If you do, that creature gains trample until end of turn.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)