Double Masters

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
Myr Retriever

Myr Retriever {2}

Artifact Creature - Myr
When Myr Retriever dies, return another target artifact card from your graveyard to your hand.
Mephidross gives up treasure easily . . . as long as you take its place.
1/1
O-Naginata

O-Naginata {1}

Artifact - Equipment
O-Naginata can be attached only to a creature with power 3 or greater.
Equipped creature gets +3/+0 and has trample.
Equip {2}
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.
Peace Strider

Peace Strider {4}

Artifact Creature - Construct
When Peace Strider enters, you gain 3 life.
"The Vanished must have sent it from beyond to aid us in this struggle."
—Kessla, Sylvok shaman
3/3
Pentad Prism

Pentad Prism {2}

Artifact
Sunburst
Remove a charge counter from Pentad Prism: Add one mana of any color.
Phyrexian Revoker

Phyrexian Revoker {2}

Artifact Creature - Phyrexian Horror
As Phyrexian Revoker enters, choose a nonland card name.
Activated abilities of sources with the chosen name can't be activated.
"To be in the presence of a revoker is to be truly alone."
—Kara Vrist, Neurok agent
2/1
Related card: March Toward Perfection
Pyrite Spellbomb

Pyrite Spellbomb {1}

Artifact
{R}, Sacrifice Pyrite Spellbomb: It deals 2 damage to any target.
{1}, Sacrifice Pyrite Spellbomb: Draw a card.
"Melt that which was never frozen."
—Spellbomb inscription
Ratchet Bomb

Ratchet Bomb {2}

Artifact
{T}: Put a charge counter on Ratchet Bomb.
{T}, Sacrifice Ratchet Bomb: Destroy each nonland permanent with mana value equal to the number of charge counters on Ratchet Bomb.
Sandstone Oracle

Sandstone Oracle {7}

Artifact Creature - Sphinx
Flying
When Sandstone Oracle enters, choose an opponent. If that player has more cards in hand than you, draw cards equal to the difference.
4/4
Sculpting Steel

Sculpting Steel {3}

Artifact
You may have Sculpting Steel enter as a copy of any artifact on the battlefield.
An artificer once dropped one in a vault full of coins. She has yet to find it.
Sickleslicer

Sickleslicer {3}

Artifact - Equipment
Living weapon
Equipped creature gets +2/+2.
Equip {4}
Skinwing

Skinwing {4}

Artifact - Equipment
Living weapon
Equipped creature gets +2/+2 and has flying.
Equip {6}
Spellskite

Spellskite {2}

Artifact Creature - Phyrexian Horror
{U/P}: Change a target of target spell or ability to Spellskite.
"Let's show Vorinclex that progress doesn't always need teeth or claws."
—Malcator, Executor of Synthesis
0/4
Sphinx of the Guildpact

Sphinx of the Guildpact {7}

Artifact Creature - Sphinx
Sphinx of the Guildpact is all colors.
Flying
Hexproof from monocolored
5/5
Springleaf Drum

Springleaf Drum {1}

Artifact
{T}, Tap an untapped creature you control: Add one mana of any color.
"The music is in the drum. I simply coax it out to be heard."
Sundering Titan

Sundering Titan {8}

Artifact Creature - Golem
When Sundering Titan enters or leaves the battlefield, choose a land of each basic land type, then destroy those lands.
"Even if we defeat it, what remains to be saved?"
—Glissa Sunseeker
7/10
Sunforger

Sunforger {3}

Artifact - Equipment
Equipped creature gets +4/+0.
{R}{W}, Unattach Sunforger: Search your library for a red or white instant card with mana value 4 or less and cast that card without paying its mana cost. Then shuffle.
Equip {3}
Surge Node

Surge Node {1}

Artifact
Surge Node enters with six charge counters on it.
{1}, {T}, Remove a charge counter from Surge Node: Put a charge counter on target artifact.
Without a foe to focus on, the machine priests had time to indulge in new sciences.
Sword of Body and Mind

Sword of Body and Mind {3}

Artifact - Equipment
Equipped creature gets +2/+2 and has protection from green and from blue.
Whenever equipped creature deals combat damage to a player, you create a 2/2 green Wolf creature token and that player mills ten cards.
Equip {2}
Sword of Feast and Famine

Sword of Feast and Famine {3}

Artifact - Equipment
Equipped creature gets +2/+2 and has protection from black and from green.
Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control.
Equip {2}
Sword of Fire and Ice

Sword of Fire and Ice {3}

Artifact - Equipment
Equipped creature gets +2/+2 and has protection from red and from blue.
Whenever equipped creature deals combat damage to a player, Sword of Fire and Ice deals 2 damage to any target and you draw a card.
Equip {2}
Sword of Light and Shadow

Sword of Light and Shadow {3}

Artifact - Equipment
Equipped creature gets +2/+2 and has protection from white and from black.
Whenever equipped creature deals combat damage to a player, you gain 3 life and you may return up to one target creature card from your graveyard to your hand.
Equip {2}
Sword of the Meek

Sword of the Meek {2}

Artifact - Equipment
Equipped creature gets +1/+2.
Equip {2}
Whenever a 1/1 creature enters under your control, you may return Sword of the Meek from your graveyard to the battlefield, then attach it to that creature.
Sword of War and Peace

Sword of War and Peace {3}

Artifact - Equipment
Equipped creature gets +2/+2 and has protection from red and from white.
Whenever equipped creature deals combat damage to a player, Sword of War and Peace deals damage to that player equal to the number of cards in their hand and you gain 1 life for each card in your hand.
Equip {2}