warhammer 40k mtg card sleeves Ultra PRO - Commander Masters 100ct Standard Size Ultra Pro Sleeves: APEX -

Naturally this also means you can definitely use later versions (CS6 onward) as well if you can find them

Using card sleeves ensures your cards remain in mint condition, preserving their appearance and value

Duel Devastator DUDE-EN029 Gate Blocker / () 1st Edition /// 100/2000 (1) DUDE-EN029 Gate Blocker / () 1st Edition /// 100/2000 (1)

Double-sleeving is where you put your cards in an inner sleeve before sliding them into the outer sleeve for an extra layer of protection against dirt, moisture and other hazards

It's unlikely they would change the equation to any great extent

Youll also need to be prudent in investing Energy as its very easy to make the mistake of overspending on it