Description
MTG Sierpe esporas de vigor (Vigorspore Wurm) Guilds of Ravnica grn#147
Undergrowth — When Vigorspore Wurm enters the battlefield, target creature gains vigilance and gets +X/+X until end of turn, where X is the number of creature cards in your graveyard.
Vigorspore Wurm can't be blocked by more than one creature.