Cori-Steel Cutter was suspended in Alchemy, pending a rebalance, Counterspell was unbanned in Historic, and Tibalts Trickery was banned in Pioneer best-of-one play
4 Ajani Resolute Good Kitty Mono-white life gain players will rejoice at the thought of Ajani Resolute hitting the Standard rotation with this two-mana (1W, 1C) Planeswalker entering play with a passive ability that adds a loyalty counter to him every time you gain life
You can easily build a Dinosaur deck by pairing any two colors, but there is little reason not to do three-color Dinosaur builds
Neheb, the Eternal looks like it finishes games in fireworks, and it can indeed do that
There will be times when she will be less efficient than a Divination
Lose Focus is interesting in that it scales with the game, and even later on, it can snipe spells when an opponent is tapped out for very little investment