Mana Vault [Kaladesh Inventions] Eternal Masters Enemies teach what you *need*

Enemies teach what you *need* to know

Set: Legends Type: Creature — Gnome Rarity: Rare Cost: {3}{R} {T}: If target Plains is tapped for mana

you may return it to your hand

Set: Alpha Edition Type: Creature — Zombie Rarity: Rare Cost: {1}{B}{B} Other Zombie creatures have swampwalk

Mana Vault [Kaladesh Inventions] Eternal Masters Enemies teach what you *need*Set: Kaladesh Inventions Type: Artifact Rarity: 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}.