Pemmin's Aura [Scourge] Narset Equip {4} ({4}: Attach to

Equip {4} ({4}: Attach to target creature you control

Set: New Phyrexia Type: Sorcery Rarity: Rare Cost: {1}{B}{B} Search target opponent's library for a card and exile it face down

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

If that spell is countered this way

Pemmin's Aura [Scourge] Narset Equip {4} ({4}: Attach toSet: Scourge Type: Enchantment Aura Rarity: Uncommon Cost: {1}{U}{U} Enchant creature {U}: Untap enchanted creature. {U}: Enchanted creature gains flying until end of turn. {U}: Enchanted creature gains shroud until end of turn. (It can't be the target of spells or abilities.) {1}: Enchanted creature gets +1 1 or 1 +1 until end of turn.