Sure, you need to be heavy into blue, but thats easy to do in the days of Treasure tokens, mana dorks, signets or any other mana-accelerating cards you can find
[casthaven]Oblivion Strike[/casthaven] was an excellent removal spell not only because it could kill anything, but because it was often killing things that cost more mana than it
Locations also earn players Lore at the beginning of their turn
2 Gargos, Vicious Watcher - Tangling Heads Gargos, Vicious Watcher is probably the first creature that comes to mind when you think of Hydra tribal commanders
The most youll spend will be on the rares without reprints like Demonic Consultation, Illusions of Grandeur, and the original pain lands
Maybe they just didnt consider its possible inclusion in Seismitoad decks and the power it would bring to the tables