Reigol, The Primordial Cold

Freeze
While you control 4 or more other frozen permanents, Reigol, The Primordial Cold loses Freeze.
When Reigol attacks, draw 7 minus number of cards in your hand cards.
At the beginning of your upkeep, create a 5/5
Beast creature token with Freeze, Trample and "Unfreeze — {5}{u}{u}".