Inhumaniac

At the beginning of your upkeep, roll a six-sided die. On a 3 or 4, put a +1/+1 counter on Inhumaniac. On a 5 or higher, put two +1/+1 counters on it. On a 1, remove all +1/+1 counters from Inhumaniac.

High Troller

All targeted spells and abilities cost {2} less and have their targets chosen randomly.

Sarah's Wings

Target creature or player gains flying until end of turn. (Players with flying can't be dealt damage by creatures without flying.)

Spirit of the Season

When Spirit of the Season enters, it gains haste if it's summer. Put a +1/+1 counter on it if it's autumn. You gain 5 life if it's winter. If it's spring, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Chronobot

When Chronobot enters, switch upkeep steps with target opponent for as long as it remains on the battlefield. (You take your upkeep on their turn, and they take their upkeep on your turn.)

Louvaq, the Aberrant

Protection from modified creatures (Modified creatures have a power, toughness, or ability different than their printed versions.)
At the beginning of each player's end step, you may put a +1/+1 counter on target creature that player controls.

Yet Another Aether Vortex

All creatures have haste.
Players play with the top card of their libraries revealed.
Noninstant, nonsorcery cards on top of a library are on the battlefield under their owner's control in addition to being in that library.

Swamp

Bucket List

Whenever you cast a spell of a type showing on Bucket List, put a counter over that type and draw a card. If all five types on Bucket List have counters over them, sacrifice it and draw one more card.
☐ artifact ☐ creature ☐ enchantment ☐ instant ☐ sorcery

Acornelia, Fashionable Filcher

Whenever you cast a spell with a squirrel in its art, you get {A} (an acorn counter).
Whenever a Squirrel you control enters or dies, you get {A}.
{2}{B}, Pay X {A}: Target creature gets -X/-X until end of turn.
{G}, Pay X {A}: Target creature gets +X/+X until end of turn.

Generated Horizons

At the beginning of your upkeep, create a Forest land token.

Elvish Impersonators

As Elvish Impersonators enters, roll a six-sided die twice. Its base power becomes the first result and its base toughness becomes the second result.

You're in Command

Choose target creature you own and control. That creature becomes your commander. Any other commanders you have are no longer your commander. (That creature starts with a commander tax of {0}.)

Mountain

Timmy, Power Gamer

{4}: You may put a creature card from your hand onto the battlefield.

Enchantmentize

Enchant creature or enchantment
Enchanted permanent is an enchantment and loses all other card types. (It still has its abilities, but it's no longer a creature.)

Frogkin Kidnapper

When Frogkin Kidnapper enters, target opponent reveals their hand. Choose a nonland card from it. Ransom that card. (Exile it. Its owner may pay {3} at any time to return it to their hand.)

Chicken à la King

Whenever a 6 is rolled on a six-sided die, put a +1/+1 counter on each Bird. (You may roll dice only when instructed to.)
Tap an untapped Bird you control: Roll a six-sided die. (Like now.)

Staying Power

"Until end of turn" and "this turn" effects don't end.

Goblin Tutor

Roll a six-sided die. If you roll a 1, Goblin Tutor has no effect. Otherwise, search your library for the indicated card, reveal it, put it into your hand, then shuffle.
2 — A card named Goblin Tutor
3 — An enchantment
4 — An artifact
5 — A creature
6 — An instant or sorcery

Impatient Iguana

If Impatient Iguana is in your opening hand and you're not the starting player, you may reveal it. If you do, you become the starting player.
Haste

Syr Cadian, Knight Owl

Knightlifelink (Damage dealt by Knights you control also causes you to gain that much life.)
{W}: Syr Cadian, Knight Owl gains vigilance until end of turn. Activate only from sunrise to sunset.
{B}: Syr Cadian, Knight Owl gains flying until end of turn. Activate only from sunset to sunrise.

Golgari Death Swarm

Wall of Fortune

Defender
You may tap an untapped Wall you control to have any player reroll a die that player rolled.

Alexander Clamilton

Whenever you cast a wordy spell, scry 2. (A spell is wordy if it has four or more lines of rules text.)
{1}{R}, {T}: Choose target creature you don't control. Reveal the top card of your library. Alexander Clamilton gets +X/+0 until end of turn, where X is the number of lines of rules text of the revealed card. Alexander Clamilton fights that creature.

Super-Duper Death Ray

Trample (This spell can deal excess damage to its target's controller.)
Super-Duper Death Ray deals 4 damage to target creature.

Krark's Other Thumb

If you would roll a die, instead roll two of those dice and ignore one of those results.

Jumbo Imp

Flying
As Jumbo Imp enters, roll a six-sided die. Jumbo Imp enters with a number of +1/+1 counters on it equal to the result.
At the beginning of your upkeep, roll a six-sided die and put a number of +1/+1 counters on Jumbo Imp equal to the result.
At the beginning of your end step, roll a six-sided die and remove a number of +1/+1 counters from Jumbo Imp equal to the result.

Siege Elemental

Trample
Untapped creatures can't block.
Tapped creatures can block.

Strategy, Schmategy

Roll a six-sided die. Strategy, Schmategy has the indicated effect.
1 — Do nothing.
2 — Destroy all artifacts.
3 — Destroy all lands.
4 — Strategy, Schmategy deals 3 damage to each creature and each player.
5 — Each player discards their hand and draws seven cards.
6 — Repeat this process two more times.

Old Guard

{W}, {T}: Tap target creature without reminder text. (Reminder text is still any italicized text in parentheses that explains rules you already know.)

Stack of Paperwork

When Stack of Paperwork enters, draw a card.
Combat damage uses the stack. (Combat damage assignment can be responded to before damage is dealt.)

Destroy target creature with reminder text. (Reminder text is any italicized text in parentheses that explains rules you already know.)

Time Sidewalk

Take an extra turn after this one.
If this card is in your opening hand, you may exile it. If you do, create four Time Walk token cards and shuffle them into your deck.

Snickering Squirrel

You may tap Snickering Squirrel to increase the result of a die any player rolled by 1.

Painiac

At the beginning of your upkeep, roll a six-sided die. Painiac gets +X/+0 until end of turn, where X is the result.

Jack-in-the-Mox

{T}: Roll a six-sided die. This ability has the indicated effect.
1 — Sacrifice Jack-in-the-Mox and you lose 5 life.
2 — Add {W}.
3 — Add {U}.
4 — Add {B}.
5 — Add {R}.
6 — Add {G}.

Fire

Fire deals 2 damage divided as you choose among one or two targets.

Start

Create two 1/1 white Warrior creature tokens with vigilance.

Start // Fire

Time Out

Roll a six-sided die. Put target nonland permanent into its owner's library just beneath the top X cards of that library, where X is the result.

Pippa, Duchess of Dice

{2}{G}, {T}: Roll a six-sided die. It becomes a green Die creature token with power and toughness each equal to its result.
{2}{U}, {T}: Reroll any die. (Activate only any time it makes sense.)

Who // What // When // Where // Why

Bear with Set's Mechanic

Vigilance
Aggressive (During your turn, there is an additional combat phase after the first, and only creatures with aggressive may attack during it.)

Free-Range Chicken

{1}{G}: Roll two six-sided dice. If both results are the same, Free-Range Chicken gets +X/+X until end of turn, where X is that result. If the total of those results is equal to any other total you have rolled this turn for this ability, sacrifice it. (For example, if you roll two 3s, it gets +3/+3. If you roll a 4 and a 2 for this ability later that turn, sacrifice it.)

Queue of Beetles

Haste
The stack is now first in, first out instead of last in, first out. (The first spell or ability on the stack is the first one to resolve.)

Surgeon General Commander

Whenever you augment, enchant, or mutate a creature you control, draw a card.
{T}: Add {W}, {U}, {B}, {R}, or {G}.

Johnny, Combo Player

{4}: Search your library for a card, put that card into your hand, then shuffle.

Animate Spell

Flash
Enchant instant or sorcery spell on the stack
When Animate Spell becomes attached to an instant or sorcery, put that card onto the battlefield under its owner's control. It's a creature in addition to its other types with power and toughness each equal to its converted mana cost.
When Animate Spell leaves the battlefield, enchanted card's owner sacrifices it unless they cast it.

Pick Your Poison

Choose any number of modes that total exactly 4. You may choose the same mode more than once.
[1] Put a +1/+1 counter on target creature.
[2] Create a 1/1 black Snake creature token with deathtouch.
[4] All creatures get -2/-2 until end of turn.

Six-y Beast

As Six-y Beast enters, you secretly put six or fewer +1/+1 counters on it, then an opponent guesses the number of counters. If that player guesses right, sacrifice Six-y Beast after it enters.

Destroy target creature. Its controller creates two 1/2 red Half creature tokens.

Smelt

Smelt // Herd // Saw

Mana Abundance

If a player would add mana, instead all players add that mana.

AWOL

Exile target attacking creature. Then remove it from the game. Then put it into the absolutely-removed-from-the-freaking-game-forever zone.

Recycla-bird

Flying
When Recycla-bird dies, put a flying counter on target creature you control.

Forest

Abian, Luvion Usurper

As Abian, Luvion Usurper enters, you become Abian. (Your life total becomes equal to their loyalty. You can activate the loyalty abilities by spending or gaining life.)
+3: Discard your hand, then draw cards equal to the greatest power among creatures you control.
+1: Create a 3/2 red and green Spirit creature token.
−X: You deal X damage to any target.

Taiga Stadium

Taiga Stadium enters tapped unless you control a white, blue, or black permanent.
{T}: Add {R} or {G}.

GO TO JAIL

When GO TO JAIL enters, exile target creature an opponent controls until GO TO JAIL leaves the battlefield.
At the beginning of the upkeep of the exiled card's owner, that player rolls two six-sided dice. If they roll doubles, sacrifice GO TO JAIL.

Celestine Cave Witch

When Celestine Cave Witch enters, create two 1/1 black Insect creature tokens.
Whenever Celestine Cave Witch attacks, you may sacrifice an Insect. When you do, curse defending player. (Create a black Aura Curse enchantment token that's attached to that player. It has enchant player and "At the beginning of your upkeep, you lose 1 life.")

Growth Charm

Choose one —
• Rampant Growth
• Giant Growth
• Regrowth

Water Gun Balloon Game

As Water Gun Balloon Game enters, each player puts a pop! counter on "0."
Whenever a player casts a spell, move that player's pop! counter up one.
Whenever a player's pop! counter hits "5," that player creates a 5/5 pink Giant Teddy Bear creature token and resets all pop! counters to "0."

Personal Decoy

Personal Decoy enters with a number of loyalty counters on it equal to your life total. If it would leave the battlefield, exile it instead of putting it anywhere else. You can't be attacked.
+1: You gain 1 life.
−4: Draw a card.

Underdark Beholder

Underdark Beholder enters the battlefield with ten eyestalk counters on it.
If Underdark Beholder would be dealt damage, remove that many eyestalk counters from it instead. If you can't, sacrifice it.
Whenever Underdark Beholder attacks, reveal cards from the top of your library until you reveal an instant, sorcery, or enchantment card with converted mana cost less than the number of eyestalk counters on Underdark Beholder. You may cast it without paying its mana cost. Shuffle your library.

Scaled Destruction

Choose one or more —
• Destroy all small creatures.
• Destroy all medium creatures.
• Destroy all large creatures.
(A small creature has total power and toughness 4 or less, medium is 5—8, and large is 9 or more.)

Graveyard Dig

Return up to two target [black or green] creature cards from your graveyard to your hand.
You may cast this spell for {2}{B/G}{B/G}. If you do, ignore the bracketed text.

Underdome

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to pay Un-costs.

Zyym, Mesmeric Lord

Flying, deathtouch
When Zyym, Mesmeric Lord enters the battlefield, target opponent chooses an order for the cards in their hand, then reveals them one by one until you say stop. That player then discards the most recently revealed card.

Waste Land

{T}: Add {C}.
{T}, Sacrifice Waste Land: Destroy target nonbasic land. That land's controller creates a Wastes token. (It's a land with {T}: Add {C}.)

Soulmates

Enchant two creatures
Enchanted creatures each get +1/+1 and have hexproof.
When one of the enchanted creatures dies, destroy the other.

Poultrygeist

Flying
Whenever a creature dies, you may roll a six-sided die. If you roll a 1, sacrifice Poultrygeist. Otherwise, put a +1/+1 counter on Poultrygeist.

Squidnapper

When Squidnapper enters, gain control of target creature an opponent controls until Squidnapper leaves the battlefield or that player pays the ransom.
Ransom — {6} and 2 life