Shadows of the Past

Snapcaster Mage | Creature | Human Wizard | Flash When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.) | Volkan Baǵa

Geist of Saint Traft | Legendary Creature | Spirit Cleric | Hexproof (This creature can't be the target of spells or abilities your opponents control.) Whenever Geist of Saint Traft attacks, create a 4/4 white Angel creature token with flying that's tapped and attacking. Exile that token at end of combat. | Igor Kieryluk

Havengul Lich | Creature | Zombie Wizard | {1}: You may cast target creature card in a graveyard this turn. When you cast it this turn, Havengul Lich gains all activated abilities of that card until end of turn. | James Ryman