Attrition [Commander 2011] Horse target opponent may have you

target opponent may have you draw three cards

You may spend mana as though it were mana of any type to cast creature spells

Set: Alpha Edition Type: Artifact Rarity: Uncommon Cost: {1} {T}: Add {C}{C}

Set: Betrayers of Kamigawa Type: Instant — Arcane Rarity: Rare Cost: {1}{B} Return target legendary creature card from your graveyard to the battlefield

so grows my strength

Attrition [Commander 2011] Horse target opponent may have youSet: Commander 2011 Type: Enchantment Rarity: Rare Cost: {1}{B}{B} {B}, Sacrifice a creature: Destroy target nonblack creature. "I will trade life for life with the insurgents. Our resources, unlike theirs, are limitless." Davvol, Evincar of Rath