Buff a friendly unit in your base, then move it to a battlefield. (If it doesn't have a buff, it gets a +1 buff.)
Wizened Elder
Temptation
Taric, Protector
Pyke, Returned
Fate Weaver
Annie, Fiery
Blue Sentinel
Dropboarder
Tricksy Tentacles
Jinx, Demolitionist
buff.)
