Yuki Snowdawn

+2: (This Planeswalker can be your Commander) Search your library for a Snow land card and put it onto the battlefield tapped.
-3: Create a 1/1 Snow Elf token for each Snow permanent you control.
-6: Create a token that says 'Whenever a Snow land enters the battlefield under your control put a +1/+1 counter on Snow creatures you control.