Pemmin's Aura [Scourge] Narset the player can activate mana

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

then put a number of +1/+1 counters on Yule Ooze equal to that permanent's converted mana cost

If that spell is countered this way

where X is that card's mana value

Set: Dominaria Prerelease Promos Type: Legendary Creature — Human Artificer Rarity: Mythic Cost: {2}{U}{R} Whenever you cast a historic spell

Pemmin's Aura [Scourge] Narset the player can activate manaSet: 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.