Mana Vault [Kaladesh Inventions] Magic 2011 Set: Odyssey Type: Sorcery Rare

Set: Odyssey Type: Sorcery Rare Cost: {2}{G} Create a 3/3 green Elephant creature token

but I didn't expect it from the building itself

{T}: Double the amount of each type of unspent mana you have

it deals 1 damage to you

Set: Limited Edition Alpha Type: Creature — Elemental Rare Cost: {2}{G}{G}{G}{G} Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking

Mana Vault [Kaladesh Inventions] Magic 2011 Set: Odyssey Type: Sorcery RareSet: Kaladesh Inventions Type: Artifact Mythic 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}.