As is becoming common for MTGs major releases, an extra card with a set-specific art treatment will be packaged in every Wilds of Eldraine booster pack
While primarily used for it's card draw ability early game when players are too greedy to pay their taxes, don't underestimate the value of buffing your sentinel to continue drawing cards in the mid and late game
Rushblade Commander Haste is really good
Wrap Up Knight of Obligation | Illustration by Ryan Barger Extort is a solid mechanic that wont wow anyone, especially in terms of power level, but it can create incidental value that makes killing you tougher at low opportunity cost
Sure, it does make tokens and thats all very well and good, but stopping counterspells or removal from messing up your plans is far more powerful
You wouldnt want to run into Lumra while questing through the Plane, or in an opponents deck for that matter