Necropotence [From the Vault: Exiled] Stronghold then return him to the

then return him to the battlefield transformed under his owner's control

you may pay {U}{U}{U}

the Firemind deals 1 damage to any target

put it on top of its owner's library instead of into that player's graveyard

sacrifice Lathnu Hellion unless you pay {E}{E}

Necropotence [From the Vault: Exiled] Stronghold then return him to theSet: 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.