The Relentless Dragon

Sorcery

Each opponent gets a poison counter. Then each creature your opponents control gets -1/-1 until end of turn for each poison counter its controller has.

Artifact Creature — Phyrexian Dreadnought

Trample When this creature enters, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.

Enchantment

Cumulative upkeep {B} (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.) At the beginning of your end step, draw a card for each age counter on this enchantment. When this enchantment is put into a graveyard from the battlefield, you lose 2 life for each age counter on it.

Creature — Phyrexian Gremlin

You may choose not to untap this creature during your untap step. {T}: Tap target artifact. It doesn't untap during its controller's untap step for as long as this creature remains tapped.

Artifact Creature — Phyrexian Golem

Artifact

{T}, Pay 1 life: Add one mana of any color.

Artifact Creature — Phyrexian Construct

This creature enters with X +1/+1 counters on it. This creature can't block. This creature can't attack unless you pay {1} for each +1/+1 counter on it.

Artifact Creature — Phyrexian Shapeshifter

({U/P} can be paid with either {U} or 2 life.) You may have this creature enter as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

Artifact

{3}: If your library has ten or more cards in it, target opponent looks at the top ten cards of your library and separates them into two face-down piles. Exile one of those piles. Search the other pile for a card, put it into your hand, then shuffle the rest of that pile into your library.

Artifact

As this artifact enters, pay any amount of life. {4}, {T}: Create an X/X black Phyrexian Minion creature token, where X is the life paid as this artifact entered.

Sorcery

Destroy all creatures, then create an X/X colorless Phyrexian Horror artifact creature token, where X is the number of creatures destroyed this way.

Legendary Land

{T}: Add {C}. {T}, Sacrifice a creature: Add {B}{B}.

Artifact Creature — Phyrexian Construct

Sorcery

Target creature gets +5/+5 until end of turn.

Creature — Plant Hydra

If damage would be dealt to this creature, put that many +1/+1 counters on it instead.

Legendary Creature — Human Artificer

When Pia Nalaar enters, create a 1/1 colorless Thopter artifact creature token with flying. {1}{R}: Target artifact creature gets +1/+0 until end of turn. {1}, Sacrifice an artifact: Target creature can't block this turn.

Sorcery

Reveal the top five cards of your library. Put up to two instant and/or sorcery cards from among them into your hand and the rest into your graveyard.

Instant

Pierce the Sky deals 7 damage to target creature with flying.

Instant

Blocking creatures get +0/+3 until end of turn.

Sorcery

Pigment Storm deals 5 damage to target creature. Excess damage is dealt to that creature's controller instead.

Sorcery

Target player mills two cards. Draw two cards.

Snow Creature — Bird

Flying {S}, {T}: Draw a card, then discard a card. ({S} can be paid with one mana from a snow source.)

Creature — Imp

Flying {1}{B}, {T}, Sacrifice this creature: Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Activate only as a sorcery.

Creature — Spirit

When this creature enters, you may search your library for a basic Plains card, reveal it, put it into your hand, then shuffle. {6}: Return this card from your graveyard to your hand.

Artifact Creature — Scarecrow

Flying {2}, {Q}: Add one mana of any color. ({Q} is the untap symbol.)

Creature — Spirit Cleric

Flying When this creature enters, return target creature card with mana value 3 or less from your graveyard to your hand.

Creature — Spirit Dwarf

Reach {2}, {T}, Sacrifice this creature: Return target instant or sorcery card from your graveyard to your hand. Activate only as a sorcery.

Sorcery

Pillar of Flame deals 2 damage to any target. If a creature dealt damage this way would die this turn, exile it instead.

World Enchantment

At the beginning of each player's upkeep, that player may sacrifice a creature of their choice. If that player doesn't, they lose 5 life and you sacrifice this enchantment.

Creature — Human Rebel Warrior

Whenever this creature is dealt combat damage, you gain that much life.

Creature — Human Scout

Constellation — Whenever an enchantment you control enters, target creature gets +1/+1 until end of turn.

Creature — Human Warlock

Rats you control have menace. {1}{B}, {T}: Create a 1/1 black Rat creature token. {2}{B}{B}, {T}, Sacrifice three Rats: Gain control of target creature.

Creature — Human Pirate

Deathtouch Whenever you sacrifice another permanent, put a +1/+1 counter on this creature.

Artifact

As this artifact enters, choose a card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Artifact

As Pithing Spyglass enters, name a keyword ability or ability word. All cards in all zones lose that keyword ability or ability word and all text tied to that ability.

Creature — Orc Berserker

At the beginning of your upkeep, you lose 2 life. Dash {2}{B}{B} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Creature — Demon

First strike At the beginning of your upkeep, sacrifice this creature unless you pay {B}{B}. Whenever this creature deals damage to a creature, exile that creature.

Creature — Faerie

Flying {G}{G}{G}, {T}: Target creature gains flying until end of turn.

Artifact Creature — Phyrexian Myr

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {T}: Add {C}.

Creature — Rat

Plague Rats's power and toughness are each equal to the number of creatures named Plague Rats on the battlefield.

Creature — Sliver

All Slivers have "At the beginning of your upkeep, this permanent deals 1 damage to you."

Creature — Phyrexian Insect Horror

Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Sorcery

Destroy all creatures you don't control. They can't be regenerated.