Modern Horizons 3 Commander

Decoction Module

Decoction Module {2}

Artifact
Whenever a creature you control enters, you get {E}.
{4}, {T}: Return target creature you control to its owner's hand.
Progress leads to inspiration.
Dreamstone Hedron

Dreamstone Hedron {6}

Artifact
{T}: Add {C}{C}{C}.
{3}, {T}, Sacrifice Dreamstone Hedron: Draw three cards.
Only the Eldrazi mind thinks in the warped paths required to open the hedrons and tap the power within.
Eldrazi Monument

Eldrazi Monument {5}

Artifact
Creatures you control get +1/+1 and have flying and indestructible.
At the beginning of your upkeep, sacrifice a creature. If you can't, sacrifice Eldrazi Monument.
"Gods don't die. They merely slumber."
—Ayli, Kamsa cleric
Everflowing Chalice

Everflowing Chalice {0}

Artifact
Multikicker {2}
Everflowing Chalice enters with a charge counter on it for each time it was kicked.
{T}: Add {C} for each charge counter on Everflowing Chalice.
Expedition Map

Expedition Map {1}

Artifact
{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.
"I use maps to find out where explorers have already been. Then I go the other way."
—Javad Nasrin, Ondu relic hunter
Forsaken Monument

Forsaken Monument {5}

Legendary Artifact
Colorless creatures you control get +2/+2.
Whenever you tap a permanent for {C}, add an additional {C}.
Whenever you cast a colorless spell, you gain 2 life.
"We shall forever roam."
—Ayli, high priest of the Eternal Pilgrims
Gonti's Aether Heart

Gonti's Aether Heart {6}

Legendary Artifact
Whenever Gonti's Aether Heart or another artifact you control enters, you get {E}{E}.
Pay eight {E}, Exile Gonti's Aether Heart: Take an extra turn after this one.
Despite the magic that sustains Gonti's life, the crime lord is often described as heartless.
Hedron Archive

Hedron Archive {4}

Artifact
{T}: Add {C}{C}.
{2}, {T}, Sacrifice Hedron Archive: Draw two cards.
"You've begun to understand the hedrons' true purpose," said Ugin. "The Eldrazi can be imprisoned."
"And how did that work out last time?" asked Jace.
Herald's Horn

Herald's Horn {3}

Artifact
As Herald's Horn enters, choose a creature type.
Creature spells you cast of the chosen type cost {1} less to cast.
At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.
Idol of Oblivion

Idol of Oblivion {2}

Artifact
{T}: Draw a card. Activate only if you created a token this turn.
{8}, {T}, Sacrifice Idol of Oblivion: Create a 10/10 colorless Eldrazi creature token.
"Arise, great one, and cleanse the world of our enemies!"
Lightning Greaves

Lightning Greaves {2}

Artifact - Equipment
Equipped creature has haste and shroud.
Equip {0}
After lightning struck the cliffs, the ore became iron, the iron became steel, and the steel became greaves. The lightning never left.
Maskwood Nexus

Maskwood Nexus {4}

Artifact
Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
{3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling.
Mirage Mirror

Mirage Mirror {3}

Artifact
{2}: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.
Most mirrors show your reflection. Others show your potential.
Myr Battlesphere

Myr Battlesphere {7}

Artifact Creature - Myr Construct
When Myr Battlesphere enters, create four 1/1 colorless Myr artifact creature tokens.
Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.
4/7
Mystic Forge

Mystic Forge {4}

Artifact
You may look at the top card of your library any time.
You may cast artifact spells and colorless spells from the top of your library.
{T}, Pay 1 life: Exile the top card of your library.
Oblivion Stone

Oblivion Stone {3}

Artifact
{4}, {T}: Put a fate counter on target permanent.
{5}, {T}, Sacrifice Oblivion Stone: Destroy each nonland permanent without a fate counter on it, then remove all fate counters from all permanents.
Seer's Sundial

Seer's Sundial {4}

Artifact
Landfall — Whenever a land you control enters, you may pay {2}. If you do, draw a card.
"The shadow travels toward the apex. I predict we will soon see the true measure of darkness."
Sol Ring

Sol Ring {1}

Artifact
{T}: Add {C}{C}.
Lost to time is the artificer's art of trapping light from a distant star in a ring of purest gold.
Related card: Ring Out
Solemn Simulacrum

Solemn Simulacrum {4}

Artifact Creature - Golem
When Solemn Simulacrum enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
When Solemn Simulacrum dies, you may draw a card.
2/2
Talisman of Conviction

Talisman of Conviction {2}

Artifact
{T}: Add {C}.
{T}: Add {R} or {W}. Talisman of Conviction deals 1 damage to you.
"The sun banishes darkness every morning. I too will rise with such assuredness."
—Huatli
Talisman of Creativity

Talisman of Creativity {2}

Artifact
{T}: Add {C}.
{T}: Add {U} or {R}. Talisman of Creativity deals 1 damage to you.
"Good ideas don't take time. They take a lot of bad ideas first."
—Ral Zarek
Talisman of Curiosity

Talisman of Curiosity {2}

Artifact
{T}: Add {C}.
{T}: Add {G} or {U}. Talisman of Curiosity deals 1 damage to you.
"The pain of exploring is less than the pain of not knowing."
—Tamiyo
Talisman of Dominance

Talisman of Dominance {2}

Artifact
{T}: Add {C}.
{T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.
Talisman of Impulse

Talisman of Impulse {2}

Artifact
{T}: Add {C}.
{T}: Add {R} or {G}. Talisman of Impulse deals 1 damage to you.
Talisman of Indulgence

Talisman of Indulgence {2}

Artifact
{T}: Add {C}.
{T}: Add {B} or {R}. Talisman of Indulgence deals 1 damage to you.