Spelltwine [Duel Decks: Jace vs. Vraska] Token Legendary Artifact Set: Black & White: Plasma

Set: Black & White: Plasma Blast Type: Grass Rarity: Rare Retreat cost: Colorless

or Black Lotus

Set: Dragons of Tarkir Type: Sorcery Rarity: Rare Cost: {X}{B}{B} Target player draws X cards and loses X life

Set: New Phyrexia Type: Legendary Creature — Human Warrior Rarity: Rare Cost: {3}{R}{W} First strike

Spirits that could pass between worlds made for perfect test subjects

Spelltwine [Duel Decks: Jace vs. Vraska] Token Legendary Artifact Set: Black & White: PlasmaSet: Duel Decks: Jace vs. Vraska Type: Sorcery Rarity: Rare Cost: {5}{U} Exile target instant or sorcery card from your graveyard and target instant or sorcery card from an opponent's graveyard. Copy those cards. Cast the copies if able without paying their mana costs. Exile Spelltwine.