how many cards in sideboard mtg The Art Of Sideboarding What should I put in

I had referenced this in my piece on Commander New Years Resolutions in January, and Ive since been trying to find a way to expand on and improve how we approach power level conversations

Sehl's finalist deck from Warcon 2014

I love that it puts a +1/+1 counter on the creature directly and taps down a blocker each time the equipped creature attacks, so if youve got +1/+1 counter synergies or extra attacks, it will do a lot of work

I can see Skymarcher Aspirant as a playable one-drop for other white aggressive strategies, not just Vampires, placing it higher on the list than other members of the tribe

Illustrated by Ron Spencer Standard Legal Alchemy Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp