Creatures you control have menace.−2: Amass Zombies 2. (Put two +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)
Whenever an opponent draws a card, Ob Nixilis, the Hate-Twisted deals 1 damage to that player.−2: Destroy target creature. Its controller draws two cards.
Each opponent can cast spells only any time they could cast a sorcery.+1: Until your next turn, you may cast sorcery spells as though they had flash.−3: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card.
Whenever a creature you control dies, draw a card.+1: Create a 2/2 black Zombie creature token.−4: Each player sacrifices two creatures of their choice.−9: Each opponent chooses a permanent they control of each permanent type and sacrifices the rest.
Each opponent can cast spells only any time they could cast a sorcery.+1: Until your next turn, you may cast sorcery spells as though they had flash.−3: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card.
Activated abilities of artifacts your opponents control can't be activated.+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.−2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card...
Activated abilities of artifacts your opponents control can't be activated.+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.−2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card...
Double strikeWhenever you cast a creature spell, create a 4/4 black Zombie Warrior creature token with vigilance.When God-Eternal Oketra dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.
You may have Spark Double enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.
Nicol Bolas, Dragon-God has all loyalty abilities of all other planeswalkers on the battlefield.+1: You draw a card. Each opponent exiles a card from their hand or a permanent they control.−3: Destroy target creature or planeswalker.−8: Each opponent who doesn't control a legendary creature or planeswalker loses the game.