Necropotence [From the Vault: Exiled] Khans of Tarkir Prerelease Promos Set: Unlimited Edition Type: Instant

Set: Unlimited Edition Type: Instant Rarity: Rare Cost: {2}{U} Tap all lands target player controls and that player loses all unspent mana

and only if your hero is Viserai

Set: Journey into Nyx Type: Land Rarity: Rare {T}

Set: Eighth Edition Type: Artifact Rarity: Rare Cost: {4} At the beginning of each player's draw step

Necropotence [From the Vault: Exiled] Khans of Tarkir Prerelease Promos Set: Unlimited Edition Type: InstantSet: From the Vault: Exiled Type: Enchantment Rarity: Mythic Cost: {B}{B}{B} Skip your draw step. Whenever you discard a card, exile that card from your graveyard. Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.