Metamorphosis [Arabian Nights] GX Spirit Caller Promo or usually playing Speed Duel

or usually playing Speed Duel

it becomes a 5/5 Elemental creature with haste

Set: Return to Ravnica Type: Instant Rarity: Rare Cost: {U}{U}{R} This spell can't be countered

Set: Unstable Type: Creature — Wurm Rarity: Rare Whenever a land enters the battlefield under your control

Cannot be used as Material for a Fusion

Metamorphosis [Arabian Nights] GX Spirit Caller Promo or usually playing Speed DuelSet: 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.