Its a repeatable tutor that takes a bit of investment but offers better and better value the longer the game goes
It lets you sacrifice your creatures to draw cards and chip away at your opponents life totals every time something dies
The Command Cycle Kayla's Command is a three-cost sorcery with two of four abilitues to make a 2/2 dork, toss a counter onto your creature and it gains double strike for the turn, search for a Plains, or gain two life and scrying 2
There is also tons of counterplay to this combo as it can even be disrupted by pump spells, so it should be interesting to see how people respond if it makes waves.
For example, if you get to attack first and play a card such as Gustcloak Cavalier, then you can tap a target creature whenever this card attacks
This is also an upgrade to an older card, Dream Cache