Metamorphosis (51) [Arabian Nights]Set: Arabian Nights Type: Sorcery Rarity: common Cost: {G} As an additional cost to cast this spell, sacrifice a creature. Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells.

Set: Adventures in the Forgotten Realms Promos Type: Creature — Human Knight Rarity: rare Cost: {B} Menace {1}{B}

return Arden Angel from your graveyard to the battlefield

Set: Friday Night Magic 2006 Type: Sorcery Rarity: rare Cost: {G} // {1}{B}

if you chose a creature other than Gandalf as your Ring-bearer

Set: Judge Gift Cards 2017 Type: Legendary Creature — Kithkin Advisor Rarity: rare Cost: {G}{W} Noncreature spells with mana value 4 or greater can't be cast

and "this turn" and "until end of turn" effects end

Put that card into your hand and exile the other with a silver counter on it

Set: War of the Spark Promos Type: Legendary Creature — Goblin Rarity: rare Cost: {2}{R} Whenever Krenko attacks

000 Commander Type: Legendary Creature — Demon Primarch Rarity: rare Cost: {3}{U}{R} Flying Unearthly Power — Instant and sorcery spells you cast cost {1} less to cast for each creature token you control

Set: Eternal Masters Type: Sorcery Rarity: rare Cost: {R} Search your library for a card

nonwhite creatures

Each artifact you tap after you're done activating mana abilities pays for {1}