Narset's Reversal [Tarkir: Dragonstorm Commander] Weird melt auras

melt auras

create two 1/1 red Warrior creature tokens that are tapped and attacking

Set: Collectors' Edition Type: Sorcery Rarity: Common Cost: {X}{1}{B} Spend only black mana on X

Set: Unlimited Edition Type: Enchantment Rarity: Common Cost: {2}{B}{B} At the beginning of the end step

but I can't remember

Narset's Reversal [Tarkir: Dragonstorm Commander] Weird melt aurasSet: Tarkir: Dragonstorm Commander Type: Instant Rarity: Rare Cost: {U}{U} Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the ????. "For every problem, a thousand answers. For every answer, a thousand branching consequences."