Mystery Booster Playtest Cards 2021

Mystery Booster Playtest Cards 2021 contains 125 cards.
Released: 2021-08-20
Base set size: 121 cards.
Ral's Vanguard

Ral's Vanguard

Requirement — Your starting deck contains only instant, sorcery, and land cards.
Starting hand size +1 Starting life total -5
If an instant or sorcery spell you cast would cause you to draw one or more cards, draw an additional card. If an instant or sorcery spell you cast would deal damage to a permanent or player, it deals 1 additional damage to that permanent or player.
Hand size bonus: +1
Life bonus: -5
Banding Sliver

Banding Sliver {3}{W}{W}

Creature - Sliver
All Slivers have banding. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)
Baneslayer Aspirant

Baneslayer Aspirant {1}{W}

Creature - Human Soldier
Baneslayer Aspirant gets +3/+3 and has flying, first strike, and lifelink as long as you have one or more emblems.
Enroll in the Coalition

Enroll in the Coalition {3}{W}

You are a Flagbearer.
While choosing targets as part of casting a spell or activating an ability, your opponents must choose at least one Flagbearer if able.
Five Kids in a Trenchcoat

Five Kids in a Trenchcoat {2}{W}

Creature - Human Citizen
Five Kids in a Trenchcoat counts as five creatures for spells and effects that count the number of creatures you control.
Frontier Explorer

Frontier Explorer {W}

Creature - Cat Scout
{3}, {T}: Until end of turn, you may play one basic Plains card from outside the game.
Imaginary Friends

Imaginary Friends {1}{W}

Sorcery - Arcane
Create three 0/0 white Spirit creature tokens with flying.

Metagamer {W}{W}

Creature - Human Advisor
Cards in the winning deck(s) of the latest Mythic Championship cost {1} more to cast.
Priority Avenger

Priority Avenger {3}{W}

Creature - Bird Wizard
Players can't cast instant spells unless a spell or ability is on the stack.
Ruff, Underdog Champ

Ruff, Underdog Champ {2}{W}{W}

Legendary Creature - Dog Soldier
All Hounds are Dogs. (We'll errata this to be true.)
First strike, lifelink
Underdog — If you've lost a game this match, Ruff, Underdog Champ and other Dogs you control get +1/+1.
Sarah's Wings

Sarah's Wings {W}

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

Scaled Destruction {4}{W}{W}

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.)
Stack of Paperwork

Stack of Paperwork {W}

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

Wizened Arbiter {W}{W}

Creature - Human Soldier Wizard
When Wizened Arbiter enters the battlefield, you may reveal a white card you own from outside the game. If you do, exchange that card with a card in your hand.
You're in Command

You're in Command {1}{W}

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}.)
Animate Spell

Animate Spell {U}

Enchantment - Aura
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.
Biting Remark

Biting Remark {3}{U}

Creature - Elemental
Scrycast {0} (If you see this card while scrying, you may reveal it and cast it by paying {0}.)
Command the Chaff

Command the Chaff {4}{U}{U}

Look at target opponent's sideboard. You may cast a card from that sideboard without paying its mana cost.
Exile Command the Chaff.
Control Win Condition

Control Win Condition {4}{U}{U}

Creature - Whale
This spell can't be countered.
Control Win Condition's power and toughness are each equal to the number of turns you've taken this game. (If this is in your deck, please keep track of your turns. This means you, Mark.)

Do-Over {1}{U}

Restart the turn, except with Do-Over in exile. (First, return all cards to where they were as the turn began. For information from hidden zones like the hand, reconstruct as best you can, and do the rest at random.)

Enchantmentize {3}{U}

Enchantment - Aura
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.)
Form of the Mulldrifter

Form of the Mulldrifter {4}{U}

Kindred Enchantment - Elemental
When Form of the Mulldrifter enters the battlefield, draw two cards.
You may cast creature cards from your hand as though they were the card Mulldrifter. (You can still evoke this way. They're Mulldrifters.)
Innocuous Insect

Innocuous Insect {1}{U}{U}

Creature - Eldrazi Insect
Buyback {1}{U} (You may pay an additional {1}{U} as you cast this spell. If you do, put this card into your hand as it resolves.)
When you cast this spell, draw a card.
Khod, Etlan Shiis Envoy

Khod, Etlan Shiis Envoy {2}{U}

Legendary Creature - Homarid Warrior
All lands are Islands in addition to their other types.
Other Homarids, Camarids, Cephalids, Nautilids, and Merfolk you control get +1/+1.
Learned Learner

Learned Learner {U}

Creature - Cephalid Wizard
As long as you have a maximum hand size other than 7, Learned Learner has "{T}: Draw a card."