toxic 1 (players dealt combat damage by this creature also get a poison counter.)
skrelv, defector mite can’t block.
Phyrexian w, 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. (Phyrexian w can be paid with either w or 2 life.)