: Put a pressure counter on Magma Mine.
, Sacrifice Magma Mine: It deals damage equal to the number of pressure counters on it to any target.

When Man-o'-War enters the battlefield, return target creature to its owner's hand.

: Regenerate Matopi Golem. When it regenerates this way, put a -1/-1 counter on it.

Return target creature card from your graveyard to the battlefield. Put a +1/+1 counter on it.

Enchant creature
Enchanted creature has trample.
Whenever all non-Wall creatures you control attack, enchanted creature gets +X/+0 until end of turn, where X is the number of attacking creatures.

Enchant creature
When enchanted creature is dealt damage, destroy it.

: Counter target spell unless its controller pays and 1 life.

You may cast Mystic Veil as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.
Enchant creature
Enchanted creature has shroud. (It can't be the target of spells or abilities.)

As an additional cost to cast this spell, sacrifice a green creature.
Search your library for a green creature card and put it onto the battlefield. Then shuffle your library.

You may cast Necromancy as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.
When Necromancy enters the battlefield, if it's on the battlefield, it becomes an Aura with "enchant creature put onto the battlefield with Necromancy." Put target creature card from a graveyard onto the battlefield under your control and attach Necromancy to it. When Necromancy leaves the battlefield, that creature's controller sacrifices it.

, Sacrifice a creature: Return Necrosavant from your graveyard to the battlefield. Activate this ability only during your upkeep.

First strike
When Nekrataal enters the battlefield, destroy target nonartifact, nonblack creature. That creature can't be regenerated.

Ogre Enforcer can't be destroyed by lethal damage unless lethal damage dealt by a single source is marked on it.

When Ovinomancer enters the battlefield, sacrifice it unless you return three basic lands you control to their owner's hand.
, Return Ovinomancer to its owner's hand: Destroy target creature. It can't be regenerated. That creature's controller creates a 0/1 green Sheep creature token.

You may cast Parapet as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.
Creatures you control get +0/+1.

This turn and next turn, creatures can't attack, and players and permanents can't be the targets of spells or activated abilities.

Phyrexian Marauder enters the battlefield with X +1/+1 counters on it.
Phyrexian Marauder can't block.
Phyrexian Marauder can't attack unless you pay for each +1/+1 counter on it.

At the beginning of each player's upkeep, that player may sacrifice a creature. If that player doesn't, they lose 5 life and you sacrifice Pillar Tombs of Aku.