When Portal to Phyrexia enters the battlefield, each opponent sacrifices three creatures.

At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control. It's a Phyrexian in addition to its other types.

Defender (This creature can't attack.)

, , Sacrifice a creature with defender: Draw a card.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Portrait of Michiko gets +1/+1 for each artifact and/or enchantment you control.

Trample

Threshold — As long as seven or more cards are in your graveyard, Possessed Centaur gets +1/+1, is black, and has ", : Destroy target green creature."

Whenever a player casts a spell from their hand, that player exiles it, then exiles cards from the top of their library until they exile a card that shares a card type with it. That player may cast that card without paying its mana cost. Then they put all cards exiled with Possibility Storm on the bottom of their library in a random order.

All Slivers have ", : Regenerate target Sliver." (The next time that Sliver would be destroyed, instead tap it, remove it from combat, and heal all damage on it.)

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Kicker (You may pay an additional as you cast this spell.)

If Pouncing Wurm was kicked, it enters the battlefield with three +1/+1 counters on it and with haste.

At the beginning of your upkeep, you may put a fuse counter on Powder Keg.

, Sacrifice Powder Keg: Destroy each artifact and creature with mana value equal to the number of fuse counters on Powder Keg.

Enchant artifact

Enchanted artifact's activated abilities cost less to activate. This effect can't reduce the mana in that cost to less than one mana.

Power Depot enters the battlefield tapped.

: Add .

: Add one mana of any color. Spend this mana only to cast artifact spells or activate abilities of artifacts.

Modular 1

Enchant enchantment

At the beginning of the upkeep of enchanted enchantment's controller, that player may pay any amount of mana. Power Leak deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way.

Enchant creature

Enchanted creature has ": This creature deals 1 damage to any target."

: Power Plant Worker gets +2/+2 until end of turn. If you control creatures named Mine Worker and Tower Worker, put two +1/+1 counters on Power Plant Worker instead. Activate only once each turn.

At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.

Destroy target non-Angel, non-Demon, non-Devil, non-Dragon creature.

Whenever an artifact an opponent controls becomes tapped or an opponent activates an artifact's ability without in its activation cost, you gain 1 life.

As an additional cost to cast this spell, sacrifice an artifact or creature.

Destroy target creature or planeswalker.

: Add for each artifact you control named Powerstone Shard.

Draw four cards. Then discard two cards unless you discard an instant or sorcery card.

, : Target creature gets -2/-0 until end of turn.

Search target opponent's library for a card and exile it face down. Then that player shuffles. You may play that card for as long as it remains exiled.

Lifelink

At the beginning of your end step, if you haven't cast a spell from your hand this turn, put a +1/+1 counter on Prairie Dog.

: Until end of turn, if you would put one or more +1/+1 counters on a creature you control, put that many plus one +1/+1 counters on it instead.

Flying, defender

As Pramikon, Sky Rampart enters the battlefield, choose left or right.

Each player may attack only the nearest opponent in the chosen direction and planeswalkers controlled by that opponent.

Flash

When Prayer of Binding enters the battlefield, exile up to one target nonland permanent an opponent controls until Prayer of Binding leaves the battlefield. You gain 2 life.

Deathtouch

Whenever Preacher of the Schism attacks the player with the most life or tied for most life, create a 1/1 white Vampire creature token with lifelink.

Whenever Preacher of the Schism attacks while you have the most life or are tied for most life, you draw a card and you lose 1 life.

Enchant creature

When Precipitous Drop enters the battlefield, venture into the dungeon. (Enter the first room or advance to the next room.)

Enchanted creature gets -2/-2. It gets -5/-5 instead as long as you've completed a dungeon.

Precision Bolt deals 3 damage to any target.

You may look at the top card of your library any time.

You may cast instant and sorcery spells from the top of your library.

: Exile the top card of your library.

When Precursor Golem enters the battlefield, create two 3/3 colorless Golem artifact creature tokens.

Whenever a player casts an instant or sorcery spell that targets only a single Golem, that player copies that spell for each other Golem that spell could target. Each copy targets a different one of those Golems.

Flying, haste

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.)

: Target creature gains flying until end of turn.

, : Destroy target creature with flying.

Until end of turn, creatures you control gain menace and "Whenever this creature deals combat damage to a player, exile the top card of that player's library face down. You may look at and play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell."

Choose target creature you control. You gain life equal to that creature's power plus its toughness.

At the beginning of each opponent's end step, if that player didn't cast a creature spell this turn, create a 2/2 green Lizard creature token.

Enchant creature

Whenever an opponent casts a creature spell, put a +1/+1 counter on enchanted creature.

When Predatory Nightstalker enters the battlefield, you may have target opponent sacrifice a creature.

Sliver creatures you control get +1/+1.

Enchant creature

Enchanted creature has ": This creature deals damage equal to its power to target creature. That creature deals damage equal to its power to this creature."

Choose a card name, then target player mills a card. If a card with the chosen name was milled this way, you draw two cards. Otherwise, you draw a card.

Counter target creature spell.

At the beginning of your upkeep, look at the top two cards of your library. You may sacrifice Preferred Selection and pay . If you do, put one of those cards into your hand. If you don't, put one of those cards on the bottom of your library.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Flying

Whenever you cast an instant or sorcery spell, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Whenever a player casts an enchantment spell, counter it.

Tap target creature. It doesn't untap during its controller's next untap step.

Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Up to two target creatures each get +2/+2 and gain trample until end of turn.

Tap target creature.

Draw a card.