Narset, Parter of Veils [War of the Spark Prerelease Promos] Zombie Ninja Metal Rarity: Holo Rare Retreat

Metal Rarity: Holo Rare Retreat cost: 0

x1] [When Attacking] Up to 1 of your Leader or Character cards other than this card gains +1000 power during this turn

Whenever an opponent casts a spell with mana value

create a 1/1 red Goblin creature token with haste

is a bit more complicated

Narset, Parter of Veils [War of the Spark Prerelease Promos] Zombie Ninja Metal Rarity: Holo Rare RetreatSet: War of the Spark Prerelease Promos Type: Legendary Planeswalker Narset Rarity: Uncommon Cost: {1}{U}{U} Each opponent can't draw more than one card each turn. 2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.