Duskmourn: House of Horror Commander

Goryo's Vengeance

Return target legendary creature card from your graveyard to the battlefield. That creature gains haste. Exile it at the beginning of the next end step.
Splice onto Arcane {2}{B}

Return target legendary creature card from your graveyard to the battlefield. That creature gains haste. Exile it at the beginning of the next end step.
Splice onto Arcane {2}{B} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Ultimate Box Topper

Ultimate Masters

Betrayers of Kamigawa

Return target legendary creature card from your graveyard to play. That creature gains haste. Remove it from the game at end of turn.
Splice onto Arcane {2}{B} (As you play an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)