mtg budget sliver commander deck Hivelord ELITE Sliver Indestructible Magic Custom Sliver Legion pumps the whole squad Building a Competitive Sliver Deck

Umbra armor won't do anything because it won't have to

Recursion is certainly a way to offset this, with cards like Eternal Witness, Archaomancer and more giving you a second shot at saying Nope! If your playgroup is pretty casual, watch out for doing this too often though

His ability to switch jobs on the fly could also be adapted to let him switch creature type once per turn, giving him synergy with cards that care about such things, like Gilgameshs ability supporting Samurai

Youve got plenty of good token makers, a lot of powerful effects that boost your entire army, and plenty of sweet payoffs to help you get there