The Brothers' War

Defabricate | Instant | | Choose one — • Counter target artifact or enchantment spell. If a spell is countered this way, exile it instead of putting it into its owner's graveyard. • Counter target activated or triggered ability. | Uriah Voth

Flow of Knowledge | Instant | | Draw a card for each Island you control, then discard two cards. | Tuan Duong Chu

Forging the Anchor | Sorcery | | Look at the top five cards of your library. You may reveal any number of artifact cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order. | Liiga Smilshkalne

Involuntary Cooldown | Sorcery | | Tap up to two target artifacts and/or creatures. Put two stun counters on each of them. (If a permanent with a stun counter would become untapped, remove one from it instead.) | Eelis Kyttanen

Keeper of the Cadence | Creature | Human Wizard | {3}: Put target artifact, instant, or sorcery card from a graveyard on the bottom of its owner's library. | Alix Branwyn

Splitting the Powerstone | Sorcery | | As an additional cost to cast this spell, sacrifice an artifact. Create two tapped Powerstone tokens. If the sacrificed artifact was legendary, draw a card. (The tokens are artifacts with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") | Campbell White

Take Flight | Enchantment | Aura | Enchant creature Enchanted creature gets +1/+0 and has flying and "Whenever this creature attacks, draw a card." | Joshua Cairos

Thopter Mechanic | Creature | Human Artificer | Whenever you draw your second card each turn, put a +1/+1 counter on Thopter Mechanic. When Thopter Mechanic dies, create a 1/1 colorless Thopter artifact creature token with flying. | Joshua Raphael

Urza, Powerstone Prodigy | Legendary Creature | Human Artificer | Vigilance {1}, {T}: Draw a card, then discard a card. Whenever you discard one or more artifact cards, create a tapped Powerstone token. This ability triggers only once each turn. (The token is an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") | Donato Giancola

Zephyr Sentinel | Creature | Human Soldier | Flash Flying When Zephyr Sentinel enters the battlefield, return up to one other target creature you control to its owner's hand. If it was a Soldier, put a +1/+1 counter on Zephyr Sentinel. | Inkognit

Yotian Tactician | Creature | Human Soldier | Other Soldiers you control get +1/+1. | Fariba Khamseh

Evangel of Synthesis | Creature | Phyrexian Human Cleric | When Evangel of Synthesis enters the battlefield, draw a card, then discard a card. As long as you've drawn two or more cards this turn, Evangel of Synthesis gets +1/+0 and has menace. | Denman Rooke

Third Path Iconoclast | Creature | Human Monk | Whenever you cast a noncreature spell, create a 1/1 colorless Soldier artifact creature token. | Manuel Castañón

Battery Bearer | Creature | Human Artificer | Creatures you control have "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell." Whenever you cast an artifact spell with mana value 6 or greater, draw a card. | Edgar Sánchez Hidalgo

Hulking Metamorph | Artifact Creature | Shapeshifter | Prototype {2}{U}{U} — 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) You may have Hulking Metamorph enter the battlefield as a copy of an artifact or creature you control, except it's an artifact creature in addition to its other types, and its power and toughness are equal to Hulking Metamorph's power and toughness. | Diego Gisbert

Spotter Thopter | Artifact Creature | Thopter | Prototype {3}{U} — 2/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Flying When Spotter Thopter enters the battlefield, scry X, where X is its power. | Michael Phillippi