Calamity of the Titans (Extended Art) [Commander Masters] Human Archer Whenever another artifact you control

Whenever another artifact you control is put into a graveyard from the battlefield

{T}: Add one mana of any color that a basic land you control could produce

And I became Lightning

Set: Fourth Edition Type: Enchantment Rarity: Rare Cost: {R}{R} Players can't untap more than one creature during their untap steps

Calamity of the Titans (Extended Art) [Commander Masters] Human Archer Whenever another artifact you controlSet: Commander Masters Type: Sorcery Rarity: Rare Cost: {4}{C}{C} As an additional cost to cast this spell, reveal a colorless creature card from your hand. Exile each creature and planeswalker with mana value less than the revealed card's mana value.