Leviathan [The Dark] Magic 2012 Promos the iron became steel

the iron became steel

Set: Darksteel Type: Artifact — Equipment Uncommon Cost: {1} Equipped creature gets +1/-1

Set: Limited Edition Alpha Type: Enchantment — Aura Rarity: Uncommon Cost: {B} Enchant land

it creates twice that many of those tokens instead

Leviathan [The Dark] Magic 2012 Promos the iron became steelSet: The Dark Type: Creature Leviathan Rare Cost: {5}{U}{U}{U}{U} Trample Leviathan enters the battlefield tapped and doesn't untap during your untap step. At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan. Leviathan can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)