Frisk, Fallen Child

{2}{b}{b}: If Frisk, Fallen Child has killed a
creature this turn sacrifice it and you may search
your library for a card named Chara, First Fallen
and put it onto the battlefield. Shuffle your library. Otherwise do nothing.
If you control a card named Sans Frisk gets +2 + 0
If you control a card named Papyrus Frisk gets +0 +2
If you control a card named Undyne Frisk gains Hexproof and first strike
If you control a card named Alphys Frisk gains
reach and +1 +1