Slither, the Long One

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Slither, the Long One can't block.

{p/w}, {t}: Choose a color. Another target creature you control gains toxic 1 and hexproof from that color until the end of turn. It can't be blocked by creatures of that color this turn.
({p/w} can be paid with either {w} or 2 life.)