The Relentless Dragon

Instant

Target creature gets -X/-X until end of turn, where X is 7 minus the number of cards in that creature's controller's hand.

Instant

Create X 1/1 white Bird Soldier creature tokens with flying, where X is the number of attacking creatures.

Instant

Untap all creatures you control. They gain flying and double strike until end of turn.

Artifact Creature — Robot Villain

Flying Whenever another Villain you control enters, put a +1/+1 counter on this creature. This ability triggers only once each turn.

Artifact

{4}, {T}, Sacrifice a creature: This artifact deals 4 damage to target creature.

Creature — Dragon

Flying When this creature enters, you may have it fight target creature you don't control. Whenever a creature you control fights, put two +1/+1 counters on it at the beginning of the next end step.

Instant

Prevent all combat damage that would be dealt this turn.

Land

This land enters tapped. {T}: Add {B} or {G}. {4}, {T}, Sacrifice this land: Draw a card.

Enchantment — Aura

Enchant creature At the beginning of your upkeep, create a token that's a copy of enchanted creature.

Enchantment

Artifacts you control have "{2}, Sacrifice this artifact: It deals damage to any target equal to 1 plus the number of permanents named Food Fight you control."

Instant

Put any number of target creature cards from your graveyard on top of your library. Draw a card.

Sorcery — Arcane

Return target creature card from your graveyard to the battlefield. Sacrifice that creature at the beginning of the next end step.

Instant

Look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard. Flashback {6}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchantment

If you would draw a card, return a card from your graveyard to your hand instead. If you can't, you lose the game. If a card would be put into your graveyard from anywhere, exile that card instead.

Sorcery

Create a 1/1 red Dinosaur creature token with haste and a 1/1 white Human Soldier creature token.

Land

{T}: Add one mana of any color. Whenever you tap this land for mana, target opponent creates a 1/1 colorless Spirit creature token.

Sorcery

Sacrifice a nontoken permanent. If you do, target opponent loses 2 life unless that player sacrifices a permanent of their choice or discards a card. You may repeat this process any number of times.

Land

This land enters tapped. {T}: Add {W}. {1}{W}: This land becomes a 1/5 white Soldier creature until end of turn. It's still a land.

Enchantment

Whenever an opponent casts a spell, that player draws seven cards.

Creature — Elemental

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) At the beginning of your upkeep, this creature deals 8 damage to you unless you pay {G}{G}{G}{G}.

Enchantment

If it's not your turn, you may exile a white card from your hand rather than pay this spell's mana cost. Flash Creatures you control get +1/+1.

Instant

Counter target spell unless its controller pays {1}.

Artifact — Equipment

Equipped creature gets +3/+0 and has vigilance and trample. Whenever equipped creature dies, attach this Equipment to target creature you control. Equip {3}

Land

{T}: Add {C}. {T}, Sacrifice this land: Search your library for a basic Swamp, Forest, or Island card, put it onto the battlefield tapped, then shuffle. Cycling {B}{G}{U} ({B}{G}{U}, Discard this card: Draw a card.)

Land

As this land enters, you may reveal a Swamp or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {B} or {R}.

Creature — Human Advisor Ally

When this creature enters, create a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Creature — Human Soldier

When this creature enters, you may search your library for a Dinosaur card, reveal it, then shuffle and put that card on top. Whenever a Dinosaur you control enters, you may have this creature deal 1 damage to each creature.

Creature — Vampire Knight

When this creature enters, you may search your library for a Vampire card, reveal it, then shuffle and put that card on top. Whenever another Vampire you control enters, target creature gets +1/+1 until end of turn.

Sorcery

Search your library for three cards, exile them, then shuffle. Draw a card at the beginning of the next turn's upkeep.

Basic Land — Forest

({T}: Add {G}.)

Artifact

At the beginning of your upkeep, sacrifice this artifact unless you pay {3}. If an instant or sorcery source would deal 3 or more damage to you, it deals 2 damage to you instead.

Creature — Human Warrior

Whenever you sacrifice one or more other creatures, this creature deals 2 damage to each opponent. This ability triggers only once each turn.

Creature — Phyrexian Warrior

Whenever another creature or artifact you control is put into a graveyard from the battlefield, put an oil counter on this creature. Whenever this creature attacks, you may remove two oil counters from it. When you do, target creature can't block this turn.

Creature — Dragon

Flying {1}{R}: This creature deals 1 damage to target creature. That creature can't block this combat. Activate only if this creature is attacking.

Enchantment — Saga

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Create a Treasure token. III — Search your library for a card named Halvar, God of Battle or an Equipment card, reveal it, put it into your hand, then shuffle.

Land

This land enters tapped. {T}: Add {R}. Cycling {R} ({R}, Discard this card: Draw a card.)

Enchantment

When this enchantment enters, your life total becomes 15. At the beginning of your upkeep, this enchantment deals 15 damage to target creature an opponent controls and that creature deals damage equal to its power to you.

Enchantment

At the beginning of your upkeep, this enchantment deals 5 damage to any target. At the beginning of each end step, your life total becomes 5. Creatures without flying can't attack you.

Instant

Target creature gets +2/+2 until end of turn. If you control four or more creatures, that creature gets +4/+4 until end of turn instead.

Enchantment

Wall creatures you control get +1/+0 and have banding. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)