Panoptic Mirror [Darksteel]Set: Darksteel Type: Artifact Rarity: Rare Cost: {5} Imprint {X}, {T}: You may exile an instant or sorcery card with mana value X from your hand. At the beginning of your upkeep, you may copy a card exiled with Panoptic Mirror. If you do, you may cast the copy without paying its mana cost.

{T}: Add three mana of any one color

Set: XY: Generations Type: Grass Rarity: Ultra Rare Retreat cost: Colorless

{T}: Add one mana of any color

attack action cards with combo gain go again this turn

Set: League & Championship Cards Type: Darkness Rarity: Promo

it gains go again

Set: Beta Edition Type: Enchantment — Aura Rarity: Rare Cost: {1}{G} Enchant creature

Set: Sun & Moon: Unbroken Bonds Type: Psychic Rarity: Rare Retreat cost: Colorless

Set: Black & White: Boundaries Crossed Type: Psychic Rarity: Secret Rare Retreat cost: Colorless

the Soul Reaper token

Set: Commander's Arsenal Type: Legendary Creature — Human Advisor Rarity: Rare Cost: {3}{R} {T}: Destroy target creature of your choice

Nights on Innistrad grow longer