15 mana capacity.
Use death starter card
Summoner 3 -1 , Zintar mortalis
Use this a front card
5 mana cap - Haunted spirit
Pick the sniper card because it will aim for low hp and low speed card.
4 mana cap - Twisted jester
Sneak back line with making your low hp or rather sniper also.
3 mana cap - Skeleton assasin
with a total of 15 mana cap