Shadows of the Past

Drogskol Captain | Creature | Spirit Soldier | Flying Other Spirit creatures you control get +1/+1 and have hexproof. (They can't be the targets of spells or abilities your opponents control.) | Cristi Balanescu

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

Sigarda, Host of Herons | Legendary Creature | Angel | Flying, hexproof Spells and abilities your opponents control can't cause you to sacrifice permanents. | Chris Rahn