Disrupting established player behaviors like this is always a risky move
Axioms I feel it would be remiss of me to leave you on that positive anecdote without at least touching on one of the biggest drawbacks of oddity trading: there are a lot more assumptions that go into inferring that a card has value
Quick Study earns its place on this list with its ability to be played at instant speed, a weakness of its classic counterpart, Divination
Harm's Way 6/10 At first I thought this would have to be in the honourable mention section as it isn't a true removal spell that you can reliably use on turn one
Toxic is the same as poisonous, which appeared on two cards from Future Sight , just developed with a new name, more cards, and the right context
Creature - Bird More lands (CTRL to add secondary) Protection Swiftfoot Boots Equipped creature has hexproof and haste