The Relentless Dragon

Creature — Elemental

Trample, haste At the beginning of the end step, sacrifice this creature. Unearth {1}{R} ({1}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Artifact

Spells cost {1} less to cast.

Artifact

You may choose not to untap this artifact during your untap step. {2}, {T}, Sacrifice a creature: Gain control of target creature for as long as you control this artifact and this artifact remains tapped.

Enchantment — Aura

Enchant creature As long as enchanted creature is blue, it gets +1/+1 and has "Whenever this creature deals damage to an opponent, draw a card." As long as enchanted creature is black, it gets +1/+1 and has "Whenever this creature deals damage to an opponent, that player discards a card."

Artifact — Equipment

Equipped creature gets +1/+1 for each enchantment you control. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Legendary Artifact — Equipment

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste. Equip {5}

Legendary Artifact

{1}, {T}: Exile target creature you control. {7}, {T}: Exile target creature you don't control. When Helvault is put into a graveyard from the battlefield, return all cards exiled with it to the battlefield under their owners' control.

Legendary Creature — Devil Rogue

Each creature spell you cast with mana value 4 or greater has blitz. The blitz cost is equal to its mana cost. (You may choose to cast that spell for its blitz cost. If you do, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.) Blitz costs you pay cost {1} less for each time you've cast your commander from the command zone this game.

Creature — Human Soldier

Outlast {2}{W} ({2}{W}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Whenever you activate this creature's outlast ability, create a 1/1 white Warrior creature token.

Creature — Merfolk Warrior

Creatures you control with +1/+1 counters on them can't be blocked.

Enchantment Creature — Demon

Bestow {3}{B}{B} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.) Flying At the beginning of your upkeep, you lose 1 life. Enchanted creature gets +3/+3 and has flying.

Creature — Cat Beast

Flying When this creature enters, if you cast it, return any number of target permanent cards with cycling abilities from your graveyard to the battlefield.

Sorcery

Domain — Create a 3/3 green Beast creature token for each basic land type among lands you control. {1}{G}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle. You gain 3 life.

Enchantment

{3}{R}: Choose any target, then mill three cards. This enchantment deals damage to that permanent or player equal to the greatest mana value among the milled cards.

Creature — Elf Druid

Tap three untapped Elves you control: Add {G}{G}{G}.

Creature — Human Warrior

Whenever one or more cards are put into exile from your hand or a spell or ability you control exiles one or more permanents from the battlefield, put that many +1/+1 counters on this creature. As long as this creature has five or more counters on it, it has flying and is an Angel in addition to its other types. As long as this creature has ten or more counters on it, it has indestructible and is a God in addition to its other types.

Creature — Human Knight Ally

Rally — Whenever this creature or another Ally you control enters, creatures you control gain indestructible until end of turn.

Creature — Human Warrior

Heroic — Whenever you cast a spell that targets this creature, you may pay {X}. If you do, put X +1/+1 counters on this creature.

Creature — Human Knight

Haste Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Whenever this creature attacks, creatures with power 1 or less can't block this turn.

Creature — Human Soldier

Whenever you cast a spell that targets this creature, creatures you control get +1/+0 until end of turn.

Enchantment Creature — Human Soldier

When this creature enters, create a 1/1 white Human Soldier creature token. Whenever you cast a spell that targets this creature, creatures you control get +1/+0 until end of turn.

Creature — Cat Soldier

Whenever you cast a spell that targets this creature, creatures you control get +1/+0 until end of turn.

Creature — Human Soldier

Flying Whenever you cast a spell that targets this creature, creatures you control get +1/+0 until end of turn.

Creature — Satyr Soldier

When this creature enters, create a 1/1 red Satyr creature token with "This token can't block." Whenever you cast a spell that targets this creature, creatures you control get +1/+0 until end of turn.

Sorcery

Choose one — • Date Night — Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card. • Patrol Night — One or two target creatures each get +1/+0 and gain first strike until end of turn.

Legendary Artifact

Each legendary creature you control gets +1/+1 for each other legendary creature you control. {X}, {T}: Look at the top X cards of your library. You may reveal a legendary creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Instant

Target player gains 7 life.

Creature — Human Knight

Flash Lifelink When this creature enters, other Humans you control get +1/+1 and gain lifelink until end of turn.

Sorcery

Destroy six target creatures.

Instant

Hexgold Slash deals 2 damage to target creature. If that creature has toxic, Hexgold Slash deals 4 damage to that creature instead.

Creature — Slith

When this creature enters, you get {E}{E} (two energy counters). Whenever this creature attacks, you may pay {E}{E}. If you do, it gains first strike until end of turn. Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Artifact Creature — Necron

Multi-threat Eliminator — This creature can't be blocked except by six or more creatures. Unearth {4}{B}{B} ({4}{B}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Land

This land enters tapped with two depletion counters on it. {T}, Remove a depletion counter from this land: Add {G}{G}. If there are no depletion counters on this land, sacrifice it.

Creature — Human Warrior

Lifelink Megamorph {2}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) When this creature is turned face up, destroy target creature with power 4 or greater an opponent controls.

Enchantment

Green creatures have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

Creature — Eldrazi

Devoid (This card has no color.) When you cast this spell, for each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain trample, haste, and annihilator 1 until end of turn. Trample, haste, annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent of their choice.)

Instant

If target player has exactly 10 life, Hidetsugu's Second Rite deals 10 damage to that player.

Land

{T}: Add {C}. {T}, Sacrifice a creature: You gain 1 life.

Creature — Human Cleric

Whenever this creature is dealt damage, you may destroy target nonland permanent.

Creature — Bird Soldier

Flying This creature gets +1/+1 for each other creature you control with a +1/+1 counter on it. {3}{W}: Put a +1/+1 counter on target creature.