Viridi, Force of Barrowood

Partner with Viridi, Sylvan Whisperer (When this creature enters the battlefield, target player may put Virtus into their hand from their library, then shuffle.)
Whenever Viridi, Force of Barrowood attacks and isn't blocked, each opponent sacrifices a nonland permanent.
{g}: Viridi, Force of Barrowood gets +1/+1 and gains trample until end of turn.