The toss-up between questing to accelerate your own victory and challenging your opponents cards to slow their progress makes for a notably different and fresher feel from the directly antagonistic likes of MTG, Pokmon and Yu-Gi-Oh
Finally, it means you can play Skullcap Snail for absolutely forbidden tech
Its the less mean, Bantified version that cant blow up lands, but makes 3/3 flying Angels instead of Elephant tokens
She has been priced out of Modern by Ephemerate now but was a staple for years
Its unpredictable, and fits neatly into any mill-centric control deck
Thoughtseize gives the user an insight on the most likely play patterns for the upcoming turns, and can be used proactively to either discard an answer to a threat, disrupt the opponents curve, or strip a vital combo piece out of the opponents hand