Little Sage, Marron

Ride 1 {1}{w}(If your Vanguard has Ride 1 or less you can cast Marron for it's Ride Cost.
Put Marron on top of your vanguard. Marron Becomes your vanguard.)
Haste
When another creature enters the battlefield under your control you may pay {w} to give Marron +1/+0 until end of turn