Mox Sapphire [Collectors' Edition]Set: Collectors' Edition Type: Artifact Rarity: Rare Cost: {0} {T}: Add {U}.

Set: Eldritch Moon Prerelease Promos Type: Artifact Rarity: Rare Cost: {3} {5}

Set: Base Set Shadowless Unlimited Type: Lightning Rarity: Holo Rare Retreat cost: Colorless

though they also bring trouble

Arc mages aren't known for their patience

Set: HeartGold & SoulSilver: Triumphant Type: Darkness Rarity: Rare Retreat cost: Colorless

sacrifice a creature other than Xathrid Demon

Set: Friday Night Magic 2000 Type: Creature — Human Soldier Rarity: Rare Cost: {3}{W}{W} When Staunch Defenders enters the battlefield

Sacrifice another creature: Reveal cards from the top of your library until you reveal a nonlegendary creature card

Each player creates X 1/1 white Soldier creature tokens

and you may spend mana as though it were mana of any color to cast that spell

Growl: Regenerate Bad Ass

Search your library for a card