Nemesis of Reason

Whenever Nemesis of Reason attacks, defending player mills ten cards.

Abyssal Gatekeeper

When Abyssal Gatekeeper dies, each player sacrifices a creature of their choice.

Grixis Illusionist

: Target land you control becomes the basic land type of your choice until end of turn.

Minion Reflector

Whenever a nontoken creature you control enters, you may pay . If you do, create a token that’s a copy of that creature, except it has haste and “At the beginning of the end step, sacrifice this permanent.”

Deep Spawn

Trample
At the beginning of your upkeep, sacrifice Deep Spawn unless you mill two cards.
: Deep Spawn gains shroud until end of turn and doesn’t untap during your next untap step. Tap Deep Spawn. (A creature with shroud can’t be the target of spells or abilities.)

Phyrexian Devourer

When Phyrexian Devourer’s power is 7 or greater, sacrifice it.
Exile the top card of your library: Put X +1/+1 counters on Phyrexian Devourer, where X is the exiled card’s mana value.

Retribution

Choose two target creatures controlled by the same opponent. That player chooses and sacrifices one of those creatures. Put a -1/-1 counter on the other.

Aether Storm

Creature spells can’t be cast.
Pay 4 life: Destroy Aether Storm. It can’t be regenerated. Any player may activate this ability.

Balduvian Conjurer

: Target snow land becomes a 2/2 creature until end of turn. It’s still a land.

Death Spark

Death Spark deals 1 damage to any target.
At the beginning of your upkeep, if Death Spark is in your graveyard with a creature card directly above it, you may pay . If you do, return Death Spark to your hand.

Orcish Captain

: Flip a coin. If you win the flip, target Orc creature gets +2/+0 until end of turn. If you lose the flip, it gets -0/-2 until end of turn.

Necropotence

Skip your draw step.
Whenever you discard a card, exile that card from your graveyard.
Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

Thought Lash

Cumulative upkeep—Exile the top card of your library. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When a player doesn’t pay Thought Lash’s cumulative upkeep, that player exiles all cards from their library.
Exile the top card of your library: Prevent the next 1 damage that would be dealt to you this turn.

Mana Crypt

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.
: Add .