Metamorphosis [Arabian Nights] Commander 2013 you may reveal the top

you may reveal the top card of your library

Volcanic Eruption deals damage to each creature and each player equal to the number of Mountains put into a graveyard this way

From the Sardian mountains wakes ancient doom: Warrior born from a rocky womb

This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four

Metamorphosis [Arabian Nights] Commander 2013 you may reveal the topSet: 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.