Anytime any player draws their second card each turn, they then have to exile the top card of their library
Also, many of them have Enrage, which will provide a boon to you when they take damage
Since Craterhoof Behemoth has long been a valuable asset to Commander players, you can bet that it will maintain a high value even when this set cycles out of Standard
Warner: Cautiously optimistic
Further Upgrades The first cards I'd pick up to further juice up the deck would be untapped mana-fixing lands: Watery Grave, Shipwreck Marsh, Underground River, Morphic Pool, Darkslick Shores, Polluted Delta, Sunken Ruins, Undercity Sewers, Urborg, Tomb of Yawgmoth and then maybe a couple more Island / Swamp fetches
Unlike later blocks (block formatting began officially with Mirage ), Ice Age and Alliances were imagined as one set broken up into two different sets