Mana Vault [Unlimited Edition] Two-Headed Giant Tournament even wise generals were known

even wise generals were known to rashly lead their troops into battle—often to disastrous defeats

Set: Classic Sixth Edition Type: Land Rare Cost: {T}: Add {C}

Creatures you control of the chosen type get +1/+1

Set: Shadows over Innistrad Type: Enchantment Rare Cost: {1}{G} Creatures you control have "{T}: Add one mana of any color

then reveal the top card

Mana Vault [Unlimited Edition] Two-Headed Giant Tournament even wise generals were knownSet: Unlimited Edition Type: Artifact 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}.