Isochron Scepter [From the Vault: Relics] Basic Fighting Energy we were able to convert

we were able to convert sky-dock assisters into a defense system for the Aether Spire

Set: Alpha Edition Type: Creature — Nightmare Horse Rarity: Rare Cost: {5}{B} Flying (This creature can't be blocked except by creatures with flying or reach

Set: Amonkhet Invocations Type: Creature — Human Advisor Rarity: Mythic Cost: {2}{W} Sacrifice Loyal Retainers: Return target legendary creature card from your graveyard to the battlefield

except that the copy is red

Isochron Scepter [From the Vault: Relics] Basic Fighting Energy we were able to convertSet: From the Vault: Relics Type: Artifact Rarity: Mythic Cost: {2} Imprint When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.