Marble Diamond [Mirage] Elf Knight

Marble Diamond [Mirage] Elf KnightSet: Mirage Type: Artifact Rarity: Uncommon Cost: {2} Marble Diamond enters the battlefield tapped. {T}: Add {W}.

if that spell's mana cost is {3}{U}{U}

target player sacrifices a creature

Set: Seventh Edition Type: Creature — Goblin Rarity: Rare Cost: {1}{R} Okk can't attack unless a creature with greater power also attacks

Set: Eternal Masters Type: Artifact Rarity: Rare Cost: {4} {3}

you may pay {W/B}{W/B}

Set: Magic Origins Type: Enchantment Rarity: Uncommon Cost: {1}{B} Whenever a creature dies

Set: Modern Masters Type: Creature — Faerie Rogue Rarity: Uncommon Cost: {3}{B} Flying

She appears in a new costume every hour

and "At the beginning of your upkeep

At the beginning of your next upkeep

First strike (This creature deals combat damage before creatures without first strike

physical greed