This does damage your leader, but resting two blockers opens up a direct strike on their leader
Using strong top end cards, like Edward Newgate, you can easily make this leader an 8,000 power card during your opponents turn, making it extremely hard to hit life
Oftentimes with tribal cards, the problem is they don't have enough good tribe members to succeed, but Kinsbaile Cavalier actually has the opposite problem: there are so many good Knight cards in Pioneer that I'm not sure the tribe actually wants a four-mana 2/2 that gives everything double strike
This card has a lot going on for an option that only costs three ink, starting with a Shift option that can be deployed if an action card is discarded
This card is about Simple
The good news is, with a just a few creatures on Selesnyas side of the board, they lose the race without Tempest Djinn