Yaqi, The Poison Fang

Trample, Infect
{1}{b/g}{t} Remove a poison counter from a player: Create a 4/4 Snake Beast with trample
{2}{b/g}{b/g}{t} Remove a poison counter from a player: Create a 2/2 Snake with infect
For those who wish to challenge the beast, be warned, he is not alone.