Alchemist's Refuge - Bargain Bin

Creature — Cat Warrior

This creature must be blocked by exactly one creature if able. Whenever this creature attacks, create X tokens that are copies of it and that are tapped and attacking, where X is the number of creatures defending player controls. Exile the tokens at the beginning of the next end step.

Creature — Kraken

Whenever you draw a card, you may pay {1}. If you do, put a +1/+1 counter on this creature and create a 1/1 blue Tentacle creature token.

Sorcery

As an additional cost to cast this spell, discard X cards. Nahiri's Wrath deals damage equal to the total mana value of the discarded cards to each of up to X target creatures and/or planeswalkers.

Artifact Creature — Robot

Whenever this creature becomes tapped, untap another target permanent. This ability triggers only once each turn.

Legendary Planeswalker — Narset

+1: Look at the top card of your library. If it's a noncreature, nonland card, you may reveal it and put it into your hand. −2: When you next cast an instant or sorcery spell from your hand this turn, it gains rebound. (Exile the spell as it resolves. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.) −9: You get an emblem with "Your opponents can't cast noncreature spells."

Legendary Planeswalker — Narset

+1: You gain 2 life. Add {U}, {R}, or {W}. Spend this mana only to cast a noncreature spell. −2: Draw a card, then you may discard a card. When you discard a nonland card this way, Narset deals damage equal to that card's mana value to target creature or planeswalker. −6: You get an emblem with "Whenever you cast a noncreature spell, this emblem deals 2 damage to any target."

Legendary Creature — Rat Ninja

Ninjutsu {3}{B} ({3}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Nashi deals combat damage to a player, exile the top card of each player's library. Until end of turn, you may play one of those cards. If you cast a spell this way, pay life equal to its mana value rather than paying its mana cost.

Legendary Creature — Rat Ninja Wizard

Menace Whenever Nashi deals combat damage to a player, you mill that many cards. You may put any number of legendary and/or enchantment cards from among them into your hand. If you put no cards into your hand this way, put a +1/+1 counter on Nashi.

Instant

All lands become 2/2 creatures until end of turn. They're still lands.

Sorcery

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Creature — Dragon

Flying When this creature enters, it deals 3 damage to any target.

Enchantment

{1}{B}, Discard a creature card: Draw a card. If the discarded card was a Zombie card, create a tapped 2/2 black Zombie creature token.

Creature — Demon

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Flying {X}, {T}, Exile X cards from your graveyard: Target creature gets -X/-X until end of turn.

Creature — Vampire

Flying Whenever a creature you control deals combat damage to a player, put that many +1/+1 counters on it.

Creature — Sliver

All Slivers have "{3}, Sacrifice this permanent: Destroy target permanent."

Instant

Undergrowth — Target creature gets -X/-X until end of turn, where X is the number of creature cards in your graveyard. If that creature would die this turn, exile it instead.

Legendary Creature — Demon

Flying Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Whenever Nefarox attacks alone, defending player sacrifices a creature of their choice.

Instant

Counter target noncreature spell.

Creature — Drake

Flying When this creature enters, target creature gains flying until end of turn. {4}{U}{U}, Exile this card from your graveyard: Creatures you control gain flying until end of turn.

Sorcery // Sorcery

Artifact

This artifact enters tapped. {1}, {T}: Destroy all artifacts, creatures, and enchantments.

Instant

Take an extra turn after this one. If Nexus of Fate would be put into a graveyard from anywhere, reveal Nexus of Fate and shuffle it into its owner's library instead.

Legendary Creature — Elder Dinosaur

This spell can't be countered. You have no maximum hand size. Whenever an opponent casts a noncreature spell, draw a card. Discard three cards: Exile Nezahal. Return it to the battlefield tapped under its owner's control at the beginning of the next end step.

Creature — Rat Rogue // Legendary Creature — Rat Wizard

Creature — Rat Rogue // Legendary Creature — Rat Shaman

Creature — Spirit

Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast an instant or sorcery spell, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Legendary Creature — Elder Dragon

Flying At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay {U}{B}{R}. Whenever Nicol Bolas deals damage to an opponent, that player discards their hand.

Legendary Planeswalker — Bolas

Nicol Bolas has all loyalty abilities of all other planeswalkers on the battlefield. +1: You draw a card. Each opponent exiles a card from their hand or a permanent they control. −3: Destroy target creature or planeswalker. −8: Each opponent who doesn't control a legendary creature or planeswalker loses the game.

Legendary Planeswalker — Bolas

+3: Destroy target noncreature permanent. −2: Gain control of target creature. −9: Nicol Bolas deals 7 damage to target player or planeswalker. That player or that planeswalker's controller discards seven cards, then sacrifices seven permanents of their choice.

Enchantment

Whenever a source you control deals damage to another player, put that many theft counters on this enchantment. {2}{B}{B}, Remove X theft counters from this enchantment: Search your library for a nonland card with mana value X, reveal it, put it into your hand, then shuffle.

Sorcery

You draw two cards and lose 2 life.

Creature — Vampire Rogue

Flying, deathtouch, lifelink Nighthawk Scavenger's power is equal to 1 plus the number of card types among cards in your opponents' graveyards.

Enchantment Creature — Horror

Bestow {2}{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.) This creature and enchanted creature each get +X/+X, where X is the number of creature cards in all graveyards.

Creature — Nightmare Horse

Flying (This creature can't be blocked except by creatures with flying or reach.) Nightmare's power and toughness are each equal to the number of Swamps you control.

Artifact — Equipment

Equipped creature gets +1/+1 for each Swamp you control. Equip—Pay 3 life. (Pay 3 life: Attach to target creature you control. Equip only as a sorcery.)

Enchantment — Saga

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I, II, III — Until your next turn, whenever you cast an instant or sorcery spell, target player mills cards equal to that spell's mana value. IV — Draw a card. If a graveyard has twenty or more cards in it, draw three cards instead.

Creature — Wolf

Flash Other Wolves and Werewolves you control get +1/+1. At the beginning of your end step, if you didn't cast a spell this turn, create a 2/2 green Wolf creature token.

Creature — Zombie

Blue spells and red spells you cast cost {1} less to cast. {1}{B}: Regenerate this creature.

Creature — Elf Shaman

Whenever a land an opponent controls enters, that player loses 1 life. Put a +1/+1 counter on this creature.

Creature — Spirit

When this creature enters, destroy target enchantment. Whenever you cast a Spirit or Arcane spell, you may return this creature to its owner's hand.

Artifact — Equipment

Equipped creature gets +2/+2, has intimidate, and is a black Zombie. (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it.) Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay {4}. If you do, return that card to the battlefield and attach this Equipment to it. Equip {4}

Creature — Human Rogue

This creature can't be blocked if you had another Cleric, Rogue, Warrior, or Wizard enter the battlefield under your control this turn. At the beginning of combat on your turn, if you have a full party, creatures you control gain "Whenever this creature deals combat damage to a player, draw a card" until end of turn.

Enchantment

Foods you control have "{T}, Sacrifice this artifact: Add one mana of any color." At the beginning of your second main phase, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Enchantment — Class

(Gain the next level as a sorcery to add its ability.) Whenever a creature you control leaves the battlefield, each opponent loses 1 life. {1}{B}: Level 2 Creatures you control get +1/+0 and have menace. {B}: Level 3 Creature cards in your graveyard have sneak {3}{B}. You may cast creature spells from your graveyard using their sneak abilities.