Palladium Myr

Artifact Creature — Myr

Mana Cost: {3}

{T}: Add {C}{C}.

2/2

Commander Masters

Price: $1.35

Iron Myr

Artifact Creature — Myr

Mana Cost: {2}

{T}: Add {R}.

1/1

Scars of Mirrodin

Price: $1.89

Leaden Myr

Artifact Creature — Myr

Mana Cost: {2}

{T}: Add {B}.

1/1

Scars of Mirrodin

Price: $3.69

Plague Myr

Artifact Creature — Phyrexian Myr

Mana Cost: {2}

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {T}: Add {C}.

1/1

Duel Decks: Mirrodin Pure vs. New Phyrexia

Hedron Crawler

Artifact Creature — Construct

Mana Cost: {2}

{T}: Add {C}. ({C} represents colorless mana.)

0/1

Oath of the Gatewatch

Price: $0.19

Howlsquad Heavy

Creature — Goblin Mercenary

Mana Cost: {2}{R}

Start your engines! Other Goblins you control have haste. At the beginning of combat on your turn, create a 1/1 red Goblin creature token. That token attacks this combat if able. Max speed — {T}: Add {R} for each Goblin you control.

2/3

Aetherdrift

Price: $4.04

Ultima, Origin of Oblivion

Legendary Creature — God

Mana Cost: {5}

Flying Whenever Ultima attacks, put a blight counter on target land. For as long as that land has a blight counter on it, it loses all land types and abilities and has "{T}: Add {C}." Whenever you tap a land for {C}, add an additional {C}.

4/4

Final Fantasy

Price: $0.91

Manakin

Artifact Creature — Construct

Mana Cost: {2}

{T}: Add {C}.

1/1

Iconic Masters

Price: $0.35

Magus of the Coffers

Creature — Human Wizard

Mana Cost: {4}{B}

{2}, {T}: Add {B} for each Swamp you control.

4/4

Commander 2014

Price: $4.72

Sunset Strikemaster

Creature — Human Monk

Mana Cost: {1}{R}

{T}: Add {R}. {2}{R}, {T}, Sacrifice this creature: It deals 6 damage to target creature with flying.

3/1

Tarkir: Dragonstorm

Price: $0.30

Freya Crescent

Legendary Creature — Rat Knight

Mana Cost: {R}

Jump — During your turn, Freya Crescent has flying. {T}: Add {R}. Spend this mana only to cast an Equipment spell or activate an equip ability.

1/1

Final Fantasy

Price: $0.24

Kozilek's Channeler

Creature — Eldrazi

Mana Cost: {5}

{T}: Add {C}{C}.

4/4

Battle for Zendikar

Price: $0.17

Zookeeper Mechan

Artifact Creature — Robot

Mana Cost: {1}{R}

{T}: Add {R}. {6}{R}: Target creature you control gets +4/+0 until end of turn. Activate only as a sorcery.

1/3

Edge of Eternities

Price: $0.26

Automated Artificer

Artifact Creature — Artificer

Mana Cost: {2}

{T}: Add {C}. Spend this mana only to activate an ability or cast an artifact spell.

1/3

Kamigawa: Neon Dynasty

Price: $0.16

Warden of Geometries

Creature — Eldrazi Drone

Mana Cost: {4}

Vigilance {T}: Add {C}. ({C} represents colorless mana.)

2/3

Oath of the Gatewatch

Price: $0.22

Endrider Catalyzer

Creature — Human Warrior

Mana Cost: {1}{R}

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) Max speed — {T}: Add {R}{R}.

3/1

Aetherdrift

Price: $0.06

Pit Automaton

Artifact Creature — Construct

Mana Cost: {2}

Defender {T}: Add {C}{C}. Spend this mana only to activate abilities. {2}, {T}: When you next activate an exhaust ability that isn't a mana ability this turn, copy it. You may choose new targets for the copy.

0/4

Aetherdrift

Price: $0.17

Chandra's Embercat

Creature — Elemental Cat

Mana Cost: {1}{R}

{T}: Add {R}. Spend this mana only to cast an Elemental spell or a Chandra planeswalker spell.

2/2

Core Set 2020

Price: $0.14

Tower Worker

Artifact Creature — Assembly-Worker

Mana Cost: {3}

Reach {T}: Add {C}. If you control creatures named Mine Worker and Power Plant Worker, add {C}{C}{C} instead.

1/3

The Brothers' War

Price: $0.21

Sisters of the Flame

Creature — Human Shaman

Mana Cost: {1}{R}{R}

{T}: Add {R}.

2/2

Fourth Edition

Price: $0.09

Exuberant Firestoker

Creature — Human Druid Shaman

Mana Cost: {2}{R}

At the beginning of your end step, if you control a creature with power 5 or greater, you may have this creature deal 2 damage to target player or planeswalker. {T}: Add {C}.

1/1

Shards of Alara

Price: $0.15

Witch Engine

Creature — Horror

Mana Cost: {5}{B}

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) {T}: Add {B}{B}{B}{B}. Target opponent gains control of this creature. (Activate only as an instant.)

4/4

Urza's Saga

Price: $0.50

Purple Dragon Punks

Creature — Human Rogue

Mana Cost: {1}{R}

{T}: Add {R}. Spend this mana only to cast an artifact spell or to activate an ability.

2/2

Teenage Mutant Ninja Turtles

Price: $0.11