Landfall pingers is another way to play this build, and Tannuk from the main set, Sabotender, and Iridescent Vinelasher are all superb as a package
All of that also means that you can run a bunch of Donate cards
Ice Age introduces a type of card that are termed by the fandom as 'cantrips', which are spells that cost 1 mana, draws you a card, and does something extra
That's neat, and that also neatly shows the end of the Ice Age, because at the end of it all is hope, and light, and civilization can return back to normal.
This can lead to all kinds of shenanigans, depending on what cards you hit, and its worth noting that you can still play the exiled cards even if Ixhel isnt in play, so theres no way for your opponents to deny you these extra resources