It's on damage effect was especially potent during the 2005 Goat format because of the deck building trend towards only using 1 copy of most cards, whether by choice or because they were Limited
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Card List: Avenger of Zendikar Birds of Paradise Beast Whisperer Beast Within Cultivate Eternal Witness Explore Farseek Fyndhorn Elves Garruk's Uprising Guardian Project Hardened Scales Harrow Heroic Intervention Kodama's Reach Llanowar Elves Nature's Lore Rampant Growth Return of the Wildspeaker Rishkar's Expertise Sakura-Tribe Elder Scute Swarm Three Visits Tireless Provisioner Wild Growth Sets and printings may vary across products
Going back to buy that soon
Having to spend mana to use these abilities is a big bummer, but if you really need the fixing it can do the job
If WotC reprints Thalia several more times, the Dark Ascension foil will be the least affected because no other copy can ever be the first original set foil