Gitaxian Probe is the other interesting one here since it costs a blue Phyrexian mana (meaning you can pay two life instead of a blue mana), letting you peek at a players hand and draw a single card
For three mana, you get a 1/3 that makes it so that whenever you gain life, you can have an opponent lose that much life
Time Vault (Alpha Edition) ~$17,400 PSA 10 Gem Mint Why It's Valuable: A key piece in famous "infinite turn" combos
The printing of Scuttletide is a signal that we may get there and its a, well, sea change in how crabs work in Magic
Ideally, you want to attack with Atarka, either by giving it haste or by having it in play next turn
While classic rattlesnake cards like Mother of Runes and Selfless Spirit can be a perfectly serviceable way to protect yourself from targeted removal and board wipes, these cards are typically cast at sorcery speed