The Card Yard

Creature — Frog Warrior

Reach When this creature enters, return up to one other target permanent you control to its owner's hand.

Enchantment

Whenever you put one or more +1/+1 counters on a creature you control, put a supply counter on this enchantment. {2}, Remove a supply counter from this enchantment: Draw a card.

Sorcery

Look at the top five cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

Land — Mountain Forest

({T}: Add {R} or {G}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Creature — Otter Wizard

Haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Instant and sorcery spells you cast cost {1} less to cast.

Enchantment — Class

(Gain the next level as a sorcery to add its ability.) When this Class enters, create a 1/1 blue and red Otter creature token with prowess. {3}{U}: Level 2 When this Class becomes level 2, return target instant or sorcery card from your graveyard to your hand. {5}{U}: Level 3 Whenever you cast an instant or sorcery spell, create a 1/1 blue and red Otter creature token with prowess.

Enchantment — Aura

Flash Enchant creature or Food Enchanted permanent is a colorless Food artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life" and loses all other card types and abilities.

Enchantment Creature — Saga Dragon

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I, II — Destroy up to one target nonland permanent. III — Draw two cards. IV — Mega Flare — This creature deals damage equal to the total mana value of other permanents you control to each opponent. Flying

Creature — Frog Druid

When this creature enters, put a +1/+1 counter on target creature and you gain 1 life.

Basic Land — Swamp

({T}: Add {B}.)

Artifact — Equipment

Equipped creature has reach, "{2}, {T}: Tap target artifact or creature," and "{8}, {T}: Discover 10." (Exile cards from the top of your library until you exile a nonland card with mana value 10 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.) Equip {1}

Legendary Creature — Merfolk Rogue

At the beginning of each end step, if an opponent lost 3 or more life this turn, you may draw a card. (Damage causes loss of life.)

Instant

Target creature gets +1/+0 and gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Instant

Take Out the Trash deals 3 damage to target creature or planeswalker. If you control a Raccoon, you may discard a card. If you do, draw a card.

Artifact — Vehicle

Vigilance {3}, {T}: Put a +1/+1 counter on target creature. Tap two untapped tokens you control: This Vehicle becomes an artifact creature until end of turn.

Legendary Artifact — Equipment

Equipped creature has vigilance. Whenever another artifact or creature is put into a graveyard from the battlefield, put a +1/+1 counter on equipped creature. Equip {2}

Instant

Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.) Exile Teferi's Protection.

Artifact

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

Creature — Otter Wizard

Whenever you cast a noncreature spell, put a +1/+1 counter on this creature.

Land — Forest Plains

({T}: Add {G} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Creature — Possum Druid

Offspring {2} (You may pay an additional {2} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) {T}: Add one mana of any color. {T}: Put a +1/+1 counter on this creature.

Enchantment

Whenever you put one or more +1/+1 counters on a creature you control, you may draw that many cards. Do this only once each turn.

Legendary Planeswalker — Tezzeret

Whenever an artifact you control enters, put a loyalty counter on Tezzeret. 0: Untap target artifact or creature. If it's an artifact creature, put a +1/+1 counter on it. −3: Search your library for an artifact card with mana value 1 or less, reveal it, put it into your hand, then shuffle. −7: You get an emblem with "At the beginning of combat on your turn, put three +1/+1 counters on target artifact you control. If it's not a creature, it becomes a 0/0 Robot artifact creature."

Legendary Creature — Merfolk Rogue

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Whenever Thada Adel deals combat damage to a player, search that player's library for an artifact card and exile it. Then that player shuffles. Until end of turn, you may play that card.

Legendary Creature — Weasel Mercenary

Menace Whenever The Infamous Cruelclaw deals combat damage to a player, exile cards from the top of your library until you exile a nonland card. You may cast that card by discarding a card rather than paying its mana cost.

Legendary Creature — Elder Fungus

Trample The Mycotyrant's power and toughness are each equal to the number of creatures you control that are Fungi and/or Saprolings. At the beginning of your end step, create X 1/1 black Fungus creature tokens with "This token can't block," where X is the number of times you descended this turn. (You descend each time a permanent card is put into your graveyard from anywhere.)

Legendary Creature — Insect Mutant

Flying Whenever The Wise Mothman enters or attacks, each player gets a rad counter. Whenever one or more nonland cards are milled, put a +1/+1 counter on each of up to X target creatures, where X is the number of nonland cards milled this way.

Creature — Mouse Bard

Whenever this creature attacks, untap target nonland permanent.

Token Creature — Rat Rogue

When this creature enters, target opponent loses 3 life unless they sacrifice a nonland permanent or discard a card. (This token's mana cost is {3}{B}.)

Creature — Squirrel Ranger

{T}: Add {G}. {T}, Forage: Add two mana in any combination of colors. (To forage, exile three cards from your graveyard or sacrifice a Food.) {3}{G}, {T}: Search your library for a Squirrel card, reveal it, put it into your hand, then shuffle.

Creature — Rat Rogue

Threshold — {1}{U}: Put a +1/+1 counter on this creature and draw a card. Activate only if there are seven or more cards in your graveyard and only once.

Creature — Lizard Warlock

Menace (This creature can't be blocked except by two or more creatures.) When this creature enters, choose target opponent. If they lost life this turn, they reveal their hand, you choose a nonland card from it, and they discard that card. Otherwise, they discard a card.

Artifact

You have no maximum hand size. {T}: Add {C}.