If the revealed card doesn't have an odd mana value or if that card does but you choose not to cast it, you draw a card
Much like we felt the pressure in Kaladesh to finally make Vehicles, Mark wrote, it felt like Outlaws of Thunder Junction needed to be the place we finally cracked Mounts. Saddle shows up on the racing team of Quickbeasts in Aetherdrift which really put vehicles and mounts neck and neck, the result is lots more support for both
After the opponent shuffles the presented deck, no actions are taken
Here we have Murder given the boost of the latter treatment and isn't it delightful
Its all upside for you, working on opponents life totals and making your creatures easier to cast
Deathtouch can make blocking annoying for your opponents, but is generally less good defensively than it once was