The Card Yard

Creature — Spirit

Untap all permanents you control during each other player's untap step.

Creature — Mouse Soldier

Vigilance, haste Valiant — Whenever this creature becomes the target of a spell or ability you control for the first time each turn, put a +1/+1 counter on it.

Creature — Bird Scout

Flying Whenever this creature attacks, target creature you control without flying gets +1/+1 until end of turn.

Legendary Creature — Human Wizard

Whenever one or more creature cards are put into your graveyard from anywhere, venture into the dungeon. This ability triggers only once each turn. (To venture into the dungeon, enter the first room or advance to the next room.) Create Undead — Whenever you complete a dungeon, return target creature card from your graveyard to the battlefield.

Sorcery

Create a token that's a copy of target creature you control. Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Artifact

{1}: Look at the top three cards of your library, then put them back in any order. {T}: Draw a card, then put this artifact on top of its owner's library.

Creature — Merfolk Warrior Scout

Vigilance Whenever this creature enters or attacks, create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")

Legendary Creature — Hedgehog Mercenary

Haste Whenever Shadow the Hedgehog or another creature you control with flash or haste dies, draw a card. Chaos Control — Each spell you cast has split second if mana from an artifact was spent to cast it. (As long as it's on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Land — Mountain Forest

({T}: Add {R} or {G}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

Legendary Creature — Phyrexian Praetor

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature of their choice.

Legendary Artifact — Equipment

Equipment named Sword of Kaldra, Shield of Kaldra, and Helm of Kaldra have indestructible. Equipped creature has indestructible. (Damage and effects that say "destroy" don't destroy it.) Equip {4}

Creature — Rat Rogue

This creature can't be blocked. Threshold — Whenever this creature deals combat damage to a player, draw a card. Then discard a card unless there are seven or more cards in your graveyard.

Instant

Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.)

Artifact — Equipment

Equipped creature gets +1/+1 and has vigilance and reach. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Creature — Bird Knight

Flying, double strike, vigilance

Instant — Arcane

You may exile a black card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets -X/-X until end of turn.

Legendary Creature — Zombie Snake

Deathtouch Exploit (When this creature enters, you may sacrifice a creature.) When Sidisi exploits a creature, you may search your library for a card, put it into your hand, then shuffle.

Artifact — Equipment

Flash When this Equipment enters, attach it to target creature you control. That creature gains shroud until end of turn. (It can't be the target of spells or abilities.) Equipped creature can't be blocked. Equip {3}

Creature — Ape Spirit

Exile this card from your hand: Add {R}.

Artifact

At the beginning of combat on your turn, each opponent loses 1 life and you gain 1 life. {T}, Pay 2 life, Sacrifice this artifact: Draw two cards. Activate only as a sorcery.

Artifact — Equipment

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

Creature — Bird Frog

Flying When this creature enters, exile up to one other target creature you control. Return it to the battlefield under its owner's control at the beginning of the next end step.

Sorcery

Create a 0/0 green Ooze creature token with trample. Put X +1/+1 counters on it, where X is two plus the total number of cards you own in exile and in your graveyard that are Oozes or are named Slime Against Humanity. A deck can have any number of cards named Slime Against Humanity.

Enchantment

Players can't get counters. Counters can't be put on artifacts, creatures, enchantments, or lands.

Artifact

{T}: Add {C}{C}.

Instant

Sonar Strike deals 4 damage to target attacking, blocking, or tapped creature. You gain 3 life if you control a Bat.

Artifact

As this artifact enters, look at an opponent's hand, then choose any card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Creature — Illusion

You may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

Instant

Choose one — • Counter target spell. • Surveil 2, then draw two cards. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Token Creature — Frog Wizard

When this creature enters, tap up to one target creature and put a stun counter on it. (This token's mana cost is {3}{U}.)

Sorcery

Exile target creature you control, then return it to the battlefield under its owner's control. If that creature is a Bird, Frog, Otter, or Rat, draw a card.

Instant

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Create a 1/1 green Saproling creature token.

Sorcery

Fathomless descent — Return to the battlefield target nonland permanent card in your graveyard with mana value less than or equal to the number of permanent cards in your graveyard.

Artifact

{1}: Untap this artifact. {2}, {T}: You gain 1 life. {3}, {T}: Untap target creature. {4}, {T}: Tap target creature. {5}, {T}: Draw a card.

Creature — Bat Cleric

Flying At the beginning of your end step, if you gained or lost life this turn, look at the top four cards of your library. You may reveal a creature card with power 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Artifact — Equipment

Gift a tapped Fish (You may promise an opponent a gift as you cast this spell. If you do, when it enters, they create a tapped 1/1 blue Fish creature token.) When this Equipment enters, if the gift was promised, attach this Equipment to target creature you control. Equipped creature gets +3/+3 and loses flying. Equip {3}

Sorcery

Look at twice X cards from the top of your library. Put X cards from among them into your hand and the rest into your graveyard. You lose X life.

Creature — Bat Cleric

Flying At the beginning of your end step, if you gained or lost life this turn, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Creature — Bat Cleric

Offspring {2}{B} (You may pay an additional {2}{B} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Flying This creature can't block. Whenever you gain life, each opponent loses 1 life.

Creature — Bat Warlock

Flying, vigilance At the beginning of your end step, if you gained or lost life this turn, target opponent loses 3 life unless they sacrifice a nonland permanent of their choice or discard a card.

Creature — Human Pirate

When this creature enters, look at the top four cards of your library. You may reveal an artifact or Pirate card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Token Creature — Lizard Warlock

When this creature dies, it deals 1 damage to target player. (This token's mana cost is {1}{R}.)

Enchantment

As this enchantment enters, choose a creature type. Creatures of the chosen type have shroud. (They can't be the targets of spells or abilities.)