Frieren, Eternal Mage

Vigilance

Whenever you cast an instant or sorcery spell, you may surveil 1. if you surveil this way, you gain 1 life

{1},Exile an instant or sorcery card from your graveyard: Copy that card. You may cast the copy without paying its mana cost . If a spell copied this way targets a creature you control, put a +1/+1 counter on that creature. Activate only once each turn