Mana Vault [Fifth Edition] Kaya The first explorers found Argoth

The first explorers found Argoth a storehouse of natural wealth—towering forests grown over rich veins of ore

Set: Betrayers of Kamigawa Type: Legendary Creature — Rat Ninja Rarity: Rare Cost: {4}{B}{B}

"O to Be a Dragon"

Set: Urza's Saga Type: Legendary Land Rarity: Rare Cost: {T}: Add {U} to your mana pool for each artifact you control

When Spirit Loop is put into a graveyard from the battlefield

Mana Vault [Fifth Edition] Kaya The first explorers found ArgothSet: Fifth Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.