Unknown Event

Tax Draw

Tax Draw {3}{U}

Instant
Draw cards equal to your highest commander tax among your commanders. (For example, if you've cast your one commander from your command zone twice, draw four cards.)
Tax Sweeper

Tax Sweeper {2}{B}

Sorcery
Creatures get -X/-X until end of turn, where X is your highest commander tax among your commanders. (For example, if you've cast your one commander from your command zone twice, creatures get -4/-4 until end of turn.)
Good Knight

Good Knight {W}{W}

Creature - Cat Knight
First Strike
You can't cast Good Knight if you're on the Phyrexian team.
If Good Knight is on the battlefield at the end of the game, score an additional point for the Mirran team.
2/2
Unstickerify

Unstickerify {W}

Enchantment - Aura
Enchant permanent
If enchanted permanent isn't a stickered playtest card, it can't attack or block.
If enchanted permanent is a stickered playtest card, treat it as the card beneath its sticker. If it's unclear without peeling the sticker, treat it as a Wastes. (Mystery Booster playtest cards count as stickered.)
Gather, the Townsfolk

Gather, the Townsfolk {1}{W}

Sorcery
Spell commander (This card can be your commander. In Limited, it can partner like other monocolored legends.)
Create two 1/1 white Human creature tokens.
Fateful hour — If you have 5 or less life, create five of those tokens instead.
Hero's Uncle

Hero's Uncle {1}{W}

Creature - Human
When Hero's Uncle dies, you may search your library for a legendary team-up creature, reveal it, put it into your hand, then shuffle. (A legendary team-up creature is two or more legendary characters teamed up on the same legendary creature card, such as Drana and Linvala.)
2/2
Identify the Culprit

Identify the Culprit {W}

Sorcery
Secretly chose a creature target opponent controls. Then, that player guesses which creature it is. Reveal the chosen creature. If they guessed incorrectly, exile the creature you chose. Otherwise, return Identify the Culprit to its owner's hand and you can't cast it again this turn.
Tax Hounds

Tax Hounds {2}{W}

Sorcery
Create X 1/1 white Dog creature tokens, where X is your highest commander tax among your commanders. (For example, if you've cast your one commander from your command zone twice, create four tokens.)
Rideable Mantis

Rideable Mantis {2}{W}

Creature - Insect Mount
Whenever Rideable Mantis attacks, it gains flying until end of turn if it was saddled by a blue creature this turn. It gains trample until end of turn if it was saddled by a red creature this turn. If it was saddled by a white creature this turn, untap it.
Saddle 1
3/3
Rosewater's Nemesis

Rosewater's Nemesis {3}{W}{W}

Creature - Monkey Cleric
Vigilance, protection from Phyrexians
Poison Tolerance +3 (It takes three additional poison counters for you to lose the game to poison.)
4/6
Devoted Mardu

Devoted Mardu {4}{W}

Creature - Human Warrior
Vigilance
Mobilize X, where X is your devotion to Mardu. (Whenever you attack, create X tapped and attacking Mardudes (tapped and attacking 1/1 red Warrior creature tokens). Sacrifice them at the beginning of the next end step. I'm out of room. You remember what devotion does, right? Counts {R}, {W}, and {B}!)
5/3
Windy City Elemental

Windy City Elemental {3}{W}{W}

Creature - Elemental
Flying
Ascend MagicCon Chicago (If you attended MagicCon Chicago and control ten or more permanents, you get the windy city's blessing for the rest of the game.)
Whenever Windy City Elemental attacks, if you have the windy city's blessing, put a +1/+1 counter on each creature you control with flying.
4/4
Echoing Echo

Echoing Echo {W}

Sorcery
Target creature and all creatures that share a name with that creature gain echo {3} until the end of your next turn. (At the beginning of the upkeep of each of those creature's controllers, if that creature came under its owner's control since the beginning of their last upkeep, they sacrifice it unless they pay its echo cost.)
Out of Town

Out of Town {W}

Enchantment
When this enchantment enters, exile target creature an opponent controls until this enchantment leaves the battlefield.
When a Town controlled by the owner of the exiled card enters, sacrifice this enchantment.
You're Toast!

You're Toast! {2}{W}

Instant
Exile target nonland permanent. Its controller manifests bread. (They look at the top two cards of their library and put one into their graveyard and the other onto the battlefield face down as a Food artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life." It can't be turned face up. It's bread.)
Theros Charm

Theros Charm {3}{W}

Instant
Choose one —
• Idyllic Tutor (Search for an enchantment.)
• Revoke Existence (Exile an artifact or enchantment.)
• Reprisal (Destroy a creature with power 4 or greater. It can't be regenerated.)
Red and Black Legac

Red and Black Legac {1}{B/R}

Creature - Lizard
If you spent black mana on this creature, it enters with a deathtouch counter. If you spent red mana on this creature, it enters with a first strike counter. If you spent both, you choose which one counter it enters with.
At the beginning of your upkeep, flip a coin. If it's heads and this creature has deathtouch, or it's tails and this creature has haste, create a treasure token.
2/1
Your Favorite Missing Character

Your Favorite Missing Character {3}

Legendary Creature
During deckbuilding, choose any two colors, up to three creature types, a new name, and one of the following abilities for this card to have.
• When this creature enters, put a +1/+1 counter on target creature or a lore counter on target Saga you control.
• At the beginning of your upkeep, surveil 1.
• Equip costs you pay cost {1} less.
• Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.
2/2
Trash Panda

Trash Panda {4}{B}{G}

Creature - Raccoon Bear
When Trash Panda enters the battlefield, exile target opponent's graveyard. Create a Food token for each creature card exiled this way.
When Trash Panda dies, put it into target opponent's graveyard.
Opponent dredge 4 (If an opponent would draw a card, instead you may have them mill exactly four cards and put this card into their hand from their graveyard.)
5/5
The Pleasant Taxer

The Pleasant Taxer {1}{W}

Legendary Creature - Human Wizard
As The Pleasant Taxer enters the battlefield, choose casting creature spells, casting noncreature spells, searching libraries, drawing a card beyond the first each turn, or activating abilities other than mana abilities.
Doing the chosen action costs players {1} more.
2/2
Potatoes

Potatoes {0}

Artifact - Food
{2}, {T}, Sacrifice Potatoes: Choose one —
• Boil — Potatoes deals 1 damage to any target.
• Mash — Create two Food tokens.
• Stew — Gain 3 life. Draw a card.
Simic Slaw

Simic Slaw {2}

Artifact - Food Clue
Whenever one or more creatures die, put a charge counter on Simic Slaw.
{2}, Sacrifice Simic Slaw: Draw X cards and gain X life, where X is the number of charge counters on Simic Slaw.
Halving Season

Halving Season {4}{B}

Enchantment
If an opponent would create one or more tokens, they create half that many of each of those kinds of tokens instead, rounded down.
If an opponent would put one or more counters on a permanent or player, they put half that many of each of those kinds of counters on that permanent or player instead, rounded down.