The Relentless Dragon

Sorcery

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Put a +1/+1 counter on a creature you control.

Enchantment

Each artifact spell costs {1} more to cast for each artifact its controller controls.

Legendary Creature — Human Warrior

Rampage 1 (Whenever this creature becomes blocked, it gets +1/+1 until end of turn for each creature blocking it beyond the first.)

Creature — Giant

Vigilance {3}{W}{W}{W}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) As long as this creature is monstrous, it has reach and can block an additional ninety-nine creatures each combat.

Instant — Arcane

Target creature gets +1/+0 and gains first strike until end of turn. Splice onto Arcane—Tap an untapped white creature you control. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Creature — Cat

Cats you control have protection from Rats. (They can't be blocked, targeted, or dealt damage by Rats.) At the beginning of your end step, target opponent creates a 1/1 black Rat creature token with deathtouch. Whenever a Rat dies, put a +1/+1 counter on each Cat you control.

Creature — Horror

Trample When this creature enters, target opponent creates two 3/3 green Centaur creature tokens with protection from black.

Creature — Lammasu

Flying When this creature enters, target opponent creates a 4/4 black Horror creature token.

Creature — Nightmare

Menace When this creature enters, target opponent puts a deathtouch counter on a creature they control.

Creature — Spirit

This creature can't be blocked. When this creature enters, target opponent creates five 1/1 red Goblin creature tokens.

Sorcery

Until end of turn, target creature gets +3/+3 and gains trample and "Whenever this creature deals combat damage to a player, draw that many cards."

Sorcery

Create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life." Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Creature — Cat

Mutate {2}{W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, other creatures you control get +X/+X until end of turn, where X is the number of times this creature has mutated.

Creature — Cat

Mutate {2}{W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, other creatures you control get +X/+X until end of turn, where X is the number of times this creature has mutated.

Sorcery

Put a +1/+1 counter on target creature you control. Then that creature fights target creature you don't control. (Each deals damage equal to its power to the other.)

Legendary Creature — Human Wizard Advisor

At the beginning of your end step, if you've cast a noncreature spell this turn, reveal the top five cards of your library. For each card type among noncreature spells you've cast this turn, you may put a card of that type from among the revealed cards into your hand. Put the rest on the bottom of your library in a random order.

Instant

During turns other than yours, this spell costs {3} more to cast. Return all nonland permanents to their owners' hands. End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Instant

Return all artifacts target player owns to their hand.

Creature — Minotaur

Instant

Choose one — • Counter target spell if it's red. • Destroy target permanent if it's red.

Legendary Creature — Elemental Villain

Whenever you cast a blue spell, if Hydro-Man is a creature, he gets +1/+1 until end of turn. At the beginning of your end step, untap Hydro-Man. Until your next turn, he becomes a land and gains "{T}: Add {U}." (He's not a creature during that time.)

Enchantment — Aura

Enchant creature Enchanted creature gets +1/+1 and has first strike. Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Creature — Dragon

Flying, haste You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)

Creature — Human Rogue

{3}: This creature connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Enchantment Creature — Siren

Bestow {5}{U}{U} (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 You control enchanted creature. Enchanted creature gets +1/+1 and has flying.

Creature — Specter

Flying Whenever this creature deals damage to an opponent, that player discards a card at random.

Creature — Specter

Flying Whenever this creature deals damage to an opponent, that player discards a card at random.

Creature — Human Scout

When this creature enters, untap target creature.

Legendary Creature — Gorgon

Deathtouch {6}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When Hythonia becomes monstrous, destroy all non-Gorgon creatures.

Legendary Creature — Goblin Advisor

Whenever another Goblin you control becomes blocked, sacrifice it. If you do, it deals 4 damage to each creature blocking it. Sacrifice two Mountains: Create two 1/1 red Goblin creature tokens.

Land

This land enters tapped. You may choose not to untap this land during your untap step. At the beginning of your upkeep, if this land is tapped, put a storage counter on it. {T}, Remove any number of storage counters from this land: Add {W} for each storage counter removed this way.

Sorcery

Create four 1/1 white Citizen creature tokens.

Snow Artifact

{S}, {T}: Tap target artifact or creature. ({S} can be paid with one mana from a snow source.)

Artifact

{X}, {T}: You may exile a nonland card from your hand. You may cast that card for as long as it remains exiled. Put a charge counter on this artifact and note the type and amount of mana spent to pay this activation cost. Activate only if there are no charge counters on this artifact. {T}, Remove a charge counter from this artifact: Add this artifact's last noted type and amount of mana. Spend this mana only to cast the last card exiled with this artifact.

Creature — Beast

Trample Landfall — Whenever a land you control enters, this creature gets +1/+0 until end of turn.

Creature — Elemental Ooze

When this creature enters, tap target artifact or creature an opponent controls. Put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Snow Creature — Troll Warrior

{S}{S}: This creature gets +2/+0 and gains indestructible until end of turn. Tap it. (Damage and effects that say "destroy" don't destroy it. {S} can be paid with one mana from a snow source.)

Instant

Tiered (Choose one additional cost.) • Blizzard — {0} — Return target creature to its owner's hand. • Blizzara — {2} — Target creature's owner puts it on their choice of the top or bottom of their library. • Blizzaga — {5}{U} — Target creature's owner shuffles it into their library.

Instant

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) This spell costs {1} less to cast if it's bargained. Counter target spell.

Creature — Human Druid

Whenever an opponent casts an instant spell other than the first instant spell that player casts each turn, this creature deals 4 damage to that player.

Artifact

If you would roll one or more planar dice, instead roll that many planar dice plus one and ignore one. {T}: Add {C}{C}.

Sorcery

As an additional cost to cast this spell, sacrifice a creature. All creatures get -X/-X until end of turn, where X is the sacrificed creature's power.

Artifact

Planeswalkers you control have "[0]: Proliferate" and "[−12]: Take an extra turn after this one." Whenever you cast a noncreature spell, choose a counter on target permanent. Put an additional counter of that kind on that permanent.

Enchantment — Aura

Enchant creature Enchanted creature loses all abilities and is a blue Fish with base power and toughness 0/1.

Legendary Creature — Dragon

Flying, vigilance When Icingdeath, Frost Tyrant dies, create Icingdeath, Frost Tongue, a legendary white Equipment artifact token with "Equipped creature gets +2/+0," "Whenever equipped creature attacks, tap target creature defending player controls," and equip {2}.

Artifact

{1}, {T}: Tap target artifact, creature, or land.

Artifact

{1}, {T}: Tap target artifact, creature, or land.

Artifact

{1}, {T}: Tap target artifact, creature, or land.

Sorcery — Arcane

Draw three cards. Discard three cards at the beginning of the next end step.

Creature — Shapeshifter

Whenever this creature attacks, you may exile another target nontoken creature. If you do, this creature becomes a copy of that creature until end of turn. Return the exiled card to the battlefield under its owner's control at the beginning of the next end step.

Artifact

When this artifact enters, exile all creature cards with mana value 3 or less from your graveyard until this artifact leaves the battlefield. {1}{W}, {T}: Until end of turn, you may cast a creature spell from among cards exiled with this artifact without paying its mana cost.

Sorcery

Igneous Inspiration deals 3 damage to any target. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Sorcery

Target player reveals a card at random from their hand. Ignite Memories deals damage to that player equal to that card's mana value. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Creature — Human Soldier

Whenever this creature becomes blocked, prevent all combat damage that would be dealt by it this turn.

Creature — Lizard Bird Pirate

Flying, vigilance Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Legendary Creature — Boar God

Trample Whenever Ilharg attacks, you may put a creature card from your hand onto the battlefield tapped and attacking. Return that creature to your hand at the beginning of the next end step. When Ilharg dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.