Lightning Dragon [Urza's Saga Promos] Labyrinth of Nightmare Return those cards to their

Return those cards to their owners' hands

and "Gamma The Magnet Warrior" exist in the Graveyard

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Promos Type: Sorcery Rarity: Rare Cost: {X}{B}{B} Repeat the following process X times

When it rises

Set: Tenth Edition Type: Artifact Rarity: Rare Cost: {2} {3}

Lightning Dragon [Urza's Saga Promos] Labyrinth of Nightmare Return those cards to theirSet: Urza's Saga Promos Type: Creature Dragon Rarity: Rare Cost: {2}{R}{R} Flying Echo {2}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) {R}: Lightning Dragon gets +1 +0 until end of turn.