Shadows of the Past

Fiend Hunter | Creature | Human Cleric | When Fiend Hunter enters the battlefield, you may exile another target creature. When Fiend Hunter leaves the battlefield, return the exiled card to the battlefield under its owner's control. | Wayne Reynolds

Lingering Souls | Sorcery | | Create two 1/1 white Spirit creature tokens with flying. Flashback {1}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.) | Bud Cook

Rally the Peasants | Instant | | Creatures you control get +2/+0 until end of turn. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.) | Jaime Jones

Séance | Enchantment | | At the beginning of each upkeep, you may exile target creature card from your graveyard. If you do, create a token that's a copy of that card, except it's a Spirit in addition to its other types. Exile it at the beginning of the next end step. | David Rapoza

Unburial Rites | Sorcery | | Return target creature card from your graveyard to the battlefield. Flashback {3}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.) | Ryan Pancoast

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