As long as you control three or more legendary creatures, Kolvori gets +4/+2 and has vigilance.
1G, T: Look at the top six cards of your library. You may reveal a legendary creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
NM-Mint - $0.40
Lightly Played - $0.40
Moderately Played - $0.40
Heavily Played - $0.40
Damaged - $0.30
NM-Mint Non English - $0.40
Lightly Played Non English - $0.40
Moderately Played Non English - $0.40
Heavily Played Non English - $0.40
Damaged Non English - $0.30