Big Bird, Looming Watcher

Partner with Small Bird, Obstinate Punisher and
Long Bird, Blind Judgment (When this creature
enters the battlefield you may search your library for a
partnered card and put it into your hand, then shuffle.
You may have each as additional commanders.)
Hexproof, Haste, Defender
At the beginning of your upkeep, put a lamp
counter on each creature with at least one lamp
counter, then each player sacrifices each creature
they control with at least three lamp counters.
{t}:Put a lamp counter