Saheeli's Artistry [Kaladesh] Dwarf you may gain life equal

you may gain life equal to that creature's power

Rearm the Doom Citadel

Set: Magic 2012 Type: Sorcery Rarity: Rare Cost: {4}{B}{B}{B} Sorin's Vengeance deals 10 damage to target player or planeswalker and you gain 10 life

then put Vengeful Pharaoh on top of your library

Set: Commander 2013 Type: Sorcery Rarity: Uncommon Cost: {2}{W} You gain 2 life

Saheeli's Artistry [Kaladesh] Dwarf you may gain life equalSet: Kaladesh Type: Sorcery Rarity: Rare Cost: {4}{U}{U} Choose one or both Create a token that's a copy of target artifact. Create a token that's a copy of target creature, except it's an artifact in addition to its other types. "From the first touch, I know exactly what the metal wants to be."