champion concept ideas

Maokai with a rifle. he's an elit sniper for demoxus. his passive is he can shoot from brush without being revealed because he's really good at camouflage, because he's a tree.

a guy with a big ol mustache who wears gold chains and has gold income related abilities, for example, his ultimate, Money Shot, would expend a percentage of his remaining gold to do damage based on gold expended.

revive ability. once every ultimate or eggnivia amount of time, upon taking lethal damage, teleport with 10hp to nearest ally tower.

a medic yordle could hop onto marksmans backs and patch them up with a channel duration.

a hoodoo ability which creates a pins and needles doll that reflects damage and status effects

a support, execute ability that doesn't count as a last hit

tank passive where upon death allies get 20% of mr, armor, ad, and ap