The Brothers' War

Urza's Sylex | Legendary Artifact | | {2}{W}{W}, {T}, Exile Urza's Sylex: Each player chooses six lands they control. Destroy all other permanents. Activate only as a sorcery. When Urza's Sylex is put into exile from the battlefield, you may pay {2}. If you do, search your library for a planeswalker card, reveal it, put it into your hand, then shuffle. | Joseph Meehan

Veteran's Powerblade | Artifact | Equipment | Equipped creature gets +2/+0. Equip Soldier {W} Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.) | Alexandre Honoré

Transmogrant Altar | Artifact | | {B}, {T}, Sacrifice a creature: Add {C}{C}{C}. {2}, {T}, Sacrifice a creature: Create a 3/3 colorless Zombie artifact creature token. Activate only as a sorcery. | Dan Scott

Simian Simulacrum | Artifact Creature | Ape | When Simian Simulacrum enters the battlefield, put two +1/+1 counters on target creature you control. Unearth {2}{G}{G} ({2}{G}{G}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) | Randy Vargas

Liberator, Urza's Battlethopter | Legendary Artifact Creature | Thopter | Flash Flying You may cast colorless spells and artifact spells as though they had flash. Whenever you cast a spell, if the amount of mana spent to cast that spell is greater than Liberator, Urza's Battlethopter's power, put a +1/+1 counter on Liberator. | Ekaterina Burmak

Reconstructed Thopter | Artifact Creature | Thopter | Flying Unearth {2} ({2}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) | Dan Scott

The Stasis Coffin | Legendary Artifact | | {2}, {T}, Exile The Stasis Coffin: You gain protection from everything until your next turn. | Artur Nakhodkin

Supply Drop | Artifact | | Flash When Supply Drop enters the battlefield, target creature you control gets +2/+2 until end of turn. {4}, {T}, Sacrifice Supply Drop: Draw a card. | Brian Valeza

Thran Spider | Artifact Creature | Spider | Reach When Thran Spider enters the battlefield, you and target opponent each create a tapped Powerstone token. {7}: Look at the top four cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. | Joshua Cairos

Tower Worker | Artifact Creature | Assembly-Worker | Reach {T}: Add {C}. If you control creatures named Mine Worker and Power Plant Worker, add {C}{C}{C} instead. | Gaboleps

Phyrexian Dragon Engine | Artifact Creature | Phyrexian Dragon | Double strike When Phyrexian Dragon Engine enters the battlefield from your graveyard, you may discard your hand. If you do, draw three cards. Unearth {3}{R}{R} (Melds with Mishra, Claimed by Gix.) | Chris Rahn