Skrelv, Defector Mite - 1926 R SLD

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)
Skrelv can't block.
{W/P}, {T}: Choose a color. Another target creature you control gains toxic 1 and hexproof from that color until end of turn. It can't be blocked by creatures of that color this turn. ({W/P} can be paid with either {W} or 2 life.)
"I WENT TO COLLEGE!"
rare
Legendary Artifact Creature — Phyrexian Mite
From the Magic: The Gathering set Secret Lair Drop.