Collectish

Creature — Goblin Shaman

Other Goblin creatures you control get +1/+1. {T}: Regenerate another target Goblin.

Land

Madlands enters the battlefield tapped. {T}: Add {B} or {R}. Madness {0} (If you discard this card, discard it into exile. When you do, play it for its madness cost or put it into your graveyard. You can play a land only during your turn and only if you have an available land play remaining.)

Creature — Goblin

Whenever you draw your second card each turn, create two 1/1 black Rat creature tokens.

Legendary Creature — Elemental

Creatures you control have haste. Cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order. Then do it again.)

Land

Land casualty 2 (As this land enters, you may sacrifice a creature with power 2 or greater. If you do, create a token that's a copy of this land.) Maestros' Totally Safe Hideout enters the battlefield tapped. {T}: Add {U}, {B}, or {R}.

Legendary Creature — Dwarf Berserker

Other Dwarves you control get +1/+0. Whenever a Dwarf you control becomes tapped, create a Treasure token. Sacrifice five Treasures: Search your library for an artifact or Dragon card, put that card onto the battlefield, then shuffle.

Creature — Cat Rogue

When this creature enters, create a 1/1 blue Wizard creature token with "{1}, Sacrifice this token: Counter target noncreature spell unless its controller pays {1}."

Artifact Creature — Construct

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

Sorcery

This spell can't be countered. Magic Missile deals 3 damage divided as you choose among one, two, or three targets.

Artifact Creature — Goblin Construct

When this creature dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") {2}, {T}: Exile target card from a graveyard.

Artifact Creature — Robot Soldier

This creature gets +1/+0 as long as you control another artifact. {2}{W}: Search your library for a card named Magitek Infantry, put it onto the battlefield tapped, then shuffle.

Artifact — Equipment

A Test of Your Reflexes! — When this Equipment enters, you may attach it to target creature you control. If you do, that creature gains first strike until end of turn and must be blocked this turn if able. Equipped creature gets +2/+1. Equip {2}

Creature — Avatar

Trample, reach Converge — This creature enters with a +1/+1 counter on it for each color of mana spent to cast it. Whenever you cast an instant or sorcery spell, creatures you control get +1/+0 until end of turn for each color of mana spent to cast that spell.

Instant

Magmaquake deals X damage to each creature without flying and each planeswalker.

Sorcery

As an additional cost to cast this spell, discard a land card. Draw two cards.

Artifact

Whenever another artifact is put into a graveyard from the battlefield, this artifact deals 2 damage to that artifact's controller.

Creature — Human Wizard

{4}{W}, {T}, Sacrifice this creature: Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

Legendary Creature — Elemental Bird

Flying, trample Ward—Discard a card. Creatures your opponents control have base toughness 1.

Creature — Djinn

Flying (This creature can't be blocked except by creatures with flying or reach.)

Instant

Creatures you control get +1/+0 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Creature — Human Soldier

Battalion — Whenever this creature and at least two other creatures attack, put a +1/+1 counter on this creature.

Enchantment

When this enchantment enters, exile target creature an opponent controls until this enchantment leaves the battlefield. You gain 2 life.

Enchantment

{1}, Sacrifice an artifact or creature: This enchantment deals 1 damage to any target.

Instant

Destroy target artifact, enchantment, or creature with power 4 or greater.

Sorcery

Look at the top three cards of your library. You may exile a nonland card from among them. If you do, it becomes plotted. Put the rest into your hand. (You may cast it as a sorcery on a later turn without paying its mana cost.)

Creature — Vampire Cleric

When this creature enters, each opponent loses X life and you gain X life, where X is the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Creature — Cat Warrior

Trample Descend 4 — Whenever this creature attacks, if there are four or more permanent cards in your graveyard, put a +1/+1 counter on target creature.

Enchantment — Aura

Enchant artifact or creature When this Aura enters, tap enchanted permanent. Enchanted permanent doesn't untap during its controller's untap step.

Creature — Spider

Reach (This creature can block creatures with flying.)

Enchantment

Whenever a player casts a spell, that player returns a land they control to its owner's hand.

Land

{T}, Pay 1 life: Add one mana of any color.

Artifact

At the beginning of your upkeep, flip a coin. If you lose the flip, this artifact deals 3 damage to you. {T}: Add {C}{C}.

Artifact

When this artifact enters, scry 1. {T}: Add one mana of any color.

Instant

Add two mana in any combination of colors. Draw a card.

Artifact — Equipment

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +1/+1 and has flying. Equip {3}{W}

Creature — Cat

Vigilance

Artifact — Book

When this artifact enters, search your library for five cards, exile them in a face-down pile, and shuffle that pile. Then shuffle your library. {2}: The next time you would draw a card this turn, instead put the top card of the exiled pile into its owner's hand.

Instant

Manhole Missile deals 3 damage to target creature. You may put a card from your hand on the bottom of your library. If you do, draw a card.

Enchantment — Aura

Enchant creature Enchanted creature gets +2/+2 and can't block.

Sorcery

Manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)