When Elena enters, return target non-Assassin historic card from your graveyard to your hand. (Artifacts, legendaries, and Sagas are historic.) Whenever you cast a historic spell, put a +1/+1 counter on Elena.
Looks like talking alone won't cut it. You're going to have to feel some pain!
NM-Mint - $0.70
Lightly Played - $0.60
Moderately Played - $0.60
Heavily Played - $0.50
Damaged - $0.50
NM-Mint Non English - $0.70
Lightly Played Non English - $0.60
Moderately Played Non English - $0.60
Heavily Played Non English - $0.50
Damaged Non English - $0.50