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Cards similar to Biomass Mutation (18)

Candlekeep Inspiration

Candlekeep Inspiration

Sorcery

Until end of turn, creatures you control have base power and toughness X/X, where X is the number of cards you own in exile and in your graveyard that are instant cards, are sorcery cards, and/or have an Adventure.

7.3 /10
$0.04
Jolrael Mwonvuli Recluse

Jolrael, Mwonvuli Recluse

Legendary Creature — Human Druid (1/2)

Whenever you draw your second card each turn, create a 2/2 green Cat creature token.
: Until end of turn, creatures you control have base power and toughness X/X, where X is the number of cards in your hand.

9.1 /10
$0.12
Mirror Entity

Mirror Entity

Creature — Shapeshifter (1/1)

Changeling (This card is every creature type.)
: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

9.8 /10
$0.71
Okos Hospitality

Oko's Hospitality

Instant

Creatures you control have base power and toughness 3/3 until end of turn. You may search your library and/or graveyard for a card named Oko, the Trickster, reveal it, and put it into your hand. If you search your library this way, shuffle.

1.5 /10
$0.43
Fluros of Myras Marvels

Fluros of Myra's Marvels

Legendary Creature — Merfolk Performer (3/4)

As Fluros of Myra's Marvels enters, choose a number greater than 0.
Whenever you cast a spell with power, toughness, or loyalty equal to the chosen number, target artifact or creature becomes an artifact creature with base power and toughness X/X until end of turn, where X is the chosen number.
Partner

0.4 /10
$0.14
March of the World Ooze

March of the World Ooze

Enchantment

Creatures you control have base power and toughness 6/6 and are Oozes in addition to their other types.
Whenever an opponent casts a spell, if it's not their turn, you create a 3/3 green Elephant creature token.

5.6 /10
$4.04
Dollmakers Shop  Porcelain Gallery

Dollmaker's Shop // Porcelain Gallery

Enchantment — Room // Enchantment — Room

Whenever one or more non-Toy creatures you control attack a player, create a 1/1 white Toy artifact creature token.
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Porcelain Gallery

Creatures you control have base power and toughness each equal to the number of creatures you control.
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

7.7 /10
$7.30
Graaz Unstoppable Juggernaut

Graaz, Unstoppable Juggernaut

Legendary Artifact Creature — Juggernaut (7/5)

Juggernauts you control attack each combat if able.
Juggernauts you control can't be blocked by Walls.
Other creatures you control have base power and toughness 5/3 and are Juggernauts in addition to their other creature types.

8.1 /10
$0.14
The Bears of Littjara

The Bears of Littjara

Enchantment — Saga

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Create a 2/2 blue Shapeshifter creature token with changeling.
II — Any number of target Shapeshifter creatures you control have base power and toughness 4/4.
III — Choose up to one target creature or planeswalker. Each creature with power 4 or greater you control deals damage equal to its power to that permanent.

6.1 /10
$0.15
The Capitoline Triad

The Capitoline Triad

Legendary Creature — God Artificer (7/7)

Those Who Came Before — This spell costs less to cast for each historic card in your graveyard. (Artifacts, legendaries, and Sagas are historic.)
Exile any number of historic cards from your graveyard with total mana value 30 or greater: You get an emblem with "Creatures you control have base power and toughness 9/9."

6.3 /10
$3.58
Leonardo da Vinci

Leonardo da Vinci

Legendary Creature — Human Artificer (3/3)

: Until end of turn, Thopters you control have base power and toughness X/X, where X is the number of cards in your hand.
, : Draw a card, then discard a card. If the discarded card was an artifact card, exile it from your graveyard. If you do, create a token that's a copy of it, except it's a 0/2 Thopter artifact creature with flying in addition to its other types.

5.8 /10
$6.42
Cyberdrive Awakener

Cyberdrive Awakener

Artifact Creature — Construct (4/4)

Flying
Other artifact creatures you control have flying.
When Cyberdrive Awakener enters, until end of turn, each noncreature artifact you control becomes an artifact creature with base power and toughness 4/4.

9.5 /10
$7.58
Flatline

Flatline

Instant

Creatures your opponents control have base power and toughness 0/1 until end of turn.

7.4 /10
$1.41
Minsc Beloved Ranger

Minsc, Beloved Ranger

Legendary Creature — Human Ranger (3/3)

When Minsc, Beloved Ranger enters, create Boo, a legendary 1/1 red Hamster creature token with trample and haste.
: Until end of turn, target creature you control has base power and toughness X/X and becomes a Giant in addition to its other types. Activate only as a sorcery.

6.4 /10
$0.47
Storvald Frost Giant Jarl

Storvald, Frost Giant Jarl

Legendary Creature — Giant (7/7)

Ward
Other creatures you control have ward .
Whenever Storvald enters or attacks, choose one or both —
• Target creature has base power and toughness 7/7 until end of turn.
• Target creature has base power and toughness 1/1 until end of turn.

6.5 /10
$1.41
Sudden Spoiling

Sudden Spoiling

Instant

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0/2.

9.4 /10
$2.39
Tanazir Quandrix

Tanazir Quandrix

Legendary Creature — Elder Dragon (4/4)

Flying, trample
When Tanazir Quandrix enters, double the number of +1/+1 counters on target creature you control.
Whenever Tanazir Quandrix attacks, you may have the base power and toughness of other creatures you control become equal to Tanazir Quandrix's power and toughness until end of turn.

7.1 /10
$0.98
Vedalken Humiliator

Vedalken Humiliator

Creature — Vedalken Wizard (3/4)

Metalcraft — Whenever Vedalken Humiliator attacks, if you control three or more artifacts, creatures your opponents control lose all abilities and have base power and toughness 1/1 until end of turn.

8 /10
$0.14

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