Strider, Dunedain Exile

First Strike, Trample
Strider enters the battlefield with 2 -1/-1 counters
on it.
When Strider deals combat damage to a player,
remove a -1/-1 counter from it, then if Strider has
no -1/-1 counters on it, transform it.
Fellowship - At the beginning of combat at your
turn, if you control another legendary creature
Strider gains Menace until end of turn