Bitterthorn, Nissa's Animus (the compleated version of the sword represented in Origins ) provides similar value, though I favor the OGs cheap casting and equip cost
If you can get something on the stack and then follow up with an Eldrazi spell, perhaps an instant or something with flash, you can actually end up copying non-Eldrazi spells once Ulalek's ability resolves
They are stuck between a rock and a hard spot
It doesnt come up that often, but it does come up more often than using Arcane Denial on your own spellusing two cards to get three cards is trading a resource (cards) for the same resource (cards), which makes it not that exciting, while trading between resourcesfrom cards to mana, is more likely to get you something you need
Speaking of, Life of the Party should get life totals moving too