Terracrux

Land

This land enters tapped. {T}: Add {W} or {U}. {3}{W}{U}: Until end of turn, this land becomes a 4/4 white and blue Elemental creature with flying and vigilance. It's still a land.

Enchantment — Aura

Enchant creature Enchanted creature gets +3/+3. Whenever enchanted creature deals combat damage to a player, double its controller's life total.

Sorcery

Return target creature card from your graveyard to your hand. If it's a Zombie card, draw a card.

Instant

Counter target spell unless its controller pays {1}. Cycling {U} ({U}, Discard this card: Draw a card.)

Land

{T}: Add {U}. This land deals 1 damage to you. Threshold — {U}, {T}, Sacrifice this land: Target player draws three cards, then discards three cards. Activate only if there are seven or more cards in your graveyard.

Creature — Octopus Wizard

Whenever this creature becomes the target of a spell or ability, mill three cards. {2}{U}, {T}: Prevent all combat damage that would be dealt to and dealt by target creature you control this turn.

Instant

Counter target colorless spell.

Instant

Target creature becomes blue until end of turn. Untap that creature. Draw a card.

Sorcery

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.

Sorcery

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Sorcery

Destroy target noncreature permanent. Then that permanent's controller may copy this spell and may choose a new target for that copy.

Sorcery

Target player discards two cards. That player may copy this spell and may choose a new target for that copy.

Instant

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may choose a new target for that copy.

Instant

Target creature gets -4/-0 until end of turn. Scry 2.

Enchantment — Aura

Enchant Mountain you control When this Aura enters, exile target creature an opponent controls until this Aura leaves the battlefield. (That creature returns under its owner's control.)

Sorcery

Target player sacrifices a creature of their choice. Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Legendary Creature — Human Minion

All Nightmares get +1/+1. {B}{B}{B}, Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types. When Chainer leaves the battlefield, exile all Nightmares.

Creature — Spider

Reach When this creature enters, it deals damage equal to its power to target creature with flying an opponent controls. Escape—{3}{G}{G}, Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.) This creature escapes with three +1/+1 counters on it.

Creature — Elemental Dog

Partner with Chakram Slinger (When this creature enters, target player may put Chakram Slinger into their hand from their library, then shuffle.) Whenever you cast a spell during your turn, untap target creature.

Artifact

This artifact enters with X charge counters on it. Whenever a player casts a spell with mana value equal to the number of charge counters on this artifact, counter that spell.

Creature — Human Warrior

Creatures with power less than this creature's power can't block creatures you control. Whenever another creature you control enters, put a +1/+1 counter on this creature.

Creature — Human Soldier

Whenever another Human you control enters, put a +1/+1 counter on this creature.

Artifact — Equipment

Equipped creature gets +2/+2. As long as equipped creature is legendary, it has hexproof. (It can't be the target of spells or abilities your opponents control.) Equip {1}

Instant

Creatures you control gain indestructible. Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.

Creature — Phyrexian Angel

You may reveal this card from your opening hand. If you do, when each opponent casts their first spell of the game, counter that spell unless that player pays {1}. Flying Whenever an opponent casts a spell, counter it unless that player pays {1}.

Creature — Phyrexian Vampire

You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, each opponent loses 3 life, then you gain life equal to the life lost this way. Flying, lifelink

Creature — Phyrexian Giant

You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, create a 1/1 red Phyrexian Goblin creature token with haste. When this creature enters, create X 1/1 red Phyrexian Goblin creature tokens with haste, where X is the number of creatures you control.

Creature — Phyrexian Sphinx

You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, each opponent mills seven cards. Flying When this creature enters, you may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost.

Creature — Elemental Cat

{T}: Add {R}. Spend this mana only to cast an Elemental spell or a Chandra planeswalker spell.

Sorcery

Target creature you control deals damage equal to its power to each other creature and each opponent.

Creature — Elemental

This spell costs {X} less to cast, where X is the total amount of noncombat damage dealt to your opponents this turn. Trample Whenever a source you control deals noncombat damage to an opponent, this creature deals that much damage to target creature or planeswalker that player controls.

Creature — Elemental Lizard

Whenever a source you control deals noncombat damage to an opponent, this creature gets +1/+0 and gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

Legendary Artifact

Whenever you activate a loyalty ability of a Chandra planeswalker, you may pay {1}. If you do, copy that ability. You may choose new targets for the copy. {1}, {T}, Discard a Mountain card or a red card: Draw a card.

Legendary Planeswalker — Chandra

0: Put a loyalty counter on each red planeswalker you control. 0: Create two 1/1 red Elemental creature tokens. They gain haste. Sacrifice them at the beginning of the next end step. −2: You may cast target instant or sorcery card with mana value 3 or less from your graveyard. If that spell would be put into your graveyard, exile it instead.

Legendary Planeswalker — Chandra

This spell can't be countered. +2: Each opponent gets an emblem with "At the beginning of your upkeep, this emblem deals 1 damage to you." −3: Chandra deals 3 damage to each non-Elemental creature. −X: Chandra deals X damage to target creature or planeswalker. If a permanent dealt damage this way would die this turn, exile it instead.

Legendary Planeswalker — Chandra

+1: Add {R}{R}. Chandra deals 2 damage to target player. −3: Chandra deals 3 damage to target creature or planeswalker. −7: Chandra deals 10 damage to target player and each creature and planeswalker they control.

Legendary Planeswalker — Chandra

Whenever one or more loyalty counters are removed from Chandra, she deals that much damage to target opponent or planeswalker. +1: Exile the top card of your library. You may play it this turn. −7: Exile the top seven cards of your library. You may play them this turn.

Legendary Planeswalker — Chandra

+1: Create two 3/1 red Elemental creature tokens with haste. Exile them at the beginning of the next end step. 0: Discard all the cards in your hand, then draw that many cards plus one. −X: Chandra deals X damage to each creature.

Legendary Planeswalker — Chandra

+1: Discard your hand, then exile the top three cards of your library. Until end of turn, you may play cards exiled this way. +1: Chandra deals 2 damage to any target. −9: Search your graveyard and library for any number of red instant and/or sorcery cards, exile them, then shuffle. You may cast them this turn. Add six {R}.

Legendary Planeswalker — Chandra

+1: Elementals you control get +2/+0 until end of turn. −1: Add {R}{R}. −2: Chandra deals 2 damage to any target.

Legendary Planeswalker — Chandra

At the beginning of combat on your turn, choose up to one target Vehicle you control. Until end of turn, it becomes an artifact creature and gains haste. +2: You may sacrifice an artifact or discard a card. If you do, draw a card. 0: Create a 3/2 colorless Vehicle artifact token with crew 1. −7: You get an emblem with "Whenever an artifact you control enters, this emblem deals 3 damage to any target."

Legendary Planeswalker — Chandra

+1: Exile the top card of your library. You may cast that card. If you don't, Chandra deals 2 damage to each opponent. +1: Add {R}{R}. −3: Chandra deals 4 damage to target creature. −7: You get an emblem with "Whenever you cast a spell, this emblem deals 5 damage to any target."

Creature — Shapeshifter

Changeling (This card is every creature type.) Haste Champion a creature (When this enters, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)

Creature — Shapeshifter

Changeling (This card is every creature type.) This creature can't block and can't be blocked.

Creature — Shapeshifter

Changeling (This card is every creature type.) Champion a creature (When this enters, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)

Sorcery

Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {C}.

Instant

As an additional cost to cast this spell, discard X cards. Target player draws X cards. Channeled Force deals X damage to up to one target creature or planeswalker.

Artifact Creature — Demon Construct

Trample Battle Cannon — When this creature enters or dies, for each opponent, choose a nonland permanent that player controls. Destroy one of them chosen at random.

Creature — Dragon

Flying, haste This creature attacks each combat if able. At the beginning of combat on your turn, each player rolls a d20. If one or more opponents had the highest result, this creature can't attack those players or planeswalkers they control this combat.

Creature — Human

First strike At the beginning of your upkeep, target opponent gains control of this creature if the number of permanents is even. This creature can attack as though it had haste unless it entered this turn.

Creature — Hellion

When this creature enters, it deals 3 damage to each other creature.