You may pay rather than pay the mana cost for Zombie creature spells you cast.
Artista: John Stanko
Curse of the Bloody Tome
Enchant player
At the beginning of enchanted player’s upkeep, that player mills two cards.
Desperate Ravings
Draw two cards, then discard a card at random.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Feeling of Dread
Tap up to two target creatures.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Tormented Soul
Tormented Soul can’t block and can’t be blocked.
Stranglehold
Your opponents can’t search libraries.
If an opponent would begin an extra turn, that player skips that turn instead.
Wall of Vines
Defender (This creature can’t attack.)
Reach (This creature can block creatures with flying.)
Viscera Seer
Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Nature Shields Its Own
(An ongoing scheme remains face up until it’s abandoned.)
Whenever a creature attacks and isn’t blocked, if you’re the defending player, create a 0/1 green Plant creature token that’s blocking that creature.
When four or more creatures attack you, abandon this scheme at end of combat.
Every Hope Shall Vanish
When you set this scheme in motion, each opponent reveals their hand. Choose a nonland card from each of those hands. Those players discard those cards.
My Genius Knows No Bounds
When you set this scheme in motion, you may pay . If you do, you gain X life and draw X cards.