Narset, Enlightened Exile (Extended Art) [March of the Machine: The Aftermath] Brawl where X is the number

where X is the number of Islands target opponent controls

or sorcery spell

Set: Legends Type: Legendary Creature — Elder Dragon Rarity: Rare Cost: {2}{U}{U}{B}{B}{R}{R} Flying

When Stitched Assistant exploits a creature

Narset, Enlightened Exile (Extended Art) [March of the Machine: The Aftermath] Brawl where X is the numberSet: March of the Machine: The Aftermath Type: Legendary Creature Human Monk Rarity: Mythic Cost: {1}{U}{R}{W} Creatures you control have prowess. Whenever Narset, Enlightened Exile attacks, exile target noncreature, nonland card with a mana value less than Narset's power from a graveyard and copy it. You may cast the copy without paying its mana cost.