Blink, Specter Reincarnated

Whenever a commander you control attacks, if
defending player controls a nonbasic land with
the same name as a land you control, put a +1/+1
counter on it and it can't be blocked this turn.
{3}, {t}: Each player sacrifices a nontoken
creature. For each counter among creatures sacrificed this way, each opponent loses 1 life.
Partner