March of the Machine

Astral Wingspan | Enchantment | Aura | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Enchant creature When Astral Wingspan enters the battlefield, draw a card. Enchanted creature gets +2/+2 and has flying. | Joseph Weston

Corruption of Towashi | Enchantment | | When Corruption of Towashi enters the battlefield, incubate 4. (Create an Incubator token with four +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) Whenever a permanent you control transforms or a permanent enters the battlefield under your control transformed, you may draw a card. Do this only once each turn. | Artur Nakhodkin

Invasion of Ulgrotha // Grandmother Ravi Sengir | Battle // Legendary Creature | Siege // Human Wizard | (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Ulgrotha enters, it deals 3 damage to any other target and you gain 3 life. // Flying Whenever a creature an opponent controls dies, put a +1/+1 counter on Grandmother Ravi Sengir and you gain 1 life. | Viko Menezes

Fearless Skald | Creature | Dwarf Berserker | Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) Double strike | Slawomir Maniak

Ramosian Greatsword | Artifact | Equipment | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for 1 or one mana of that creature's color.) Equipped creature gets +3/+1 and has trample. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.) | Jason A. Engle

Invasion of Muraganda | Battle | Siege | (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Muraganda enters the battlefield, put a +1/+1 counter on target creature you control. Then that creature fights up to one target creature you don't control. | Adam Paquette

Ravenous Sailback | Creature | Dinosaur | When Ravenous Sailback enters the battlefield, choose one — • Ravenous Sailback gains haste until end of turn. • Destroy target artifact or enchantment. | Andrew Mar

Tangled Skyline | Enchantment | | When Tangled Skyline enters the battlefield, you gain 5 life and incubate 5. (Create an Incubator token with five +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) Phyrexians you control have reach. | Martin de Diego Sádaba

Joyful Stormsculptor | Creature | Human Shaman | When Joyful Stormsculptor enters the battlefield, create two 1/1 blue and red Elemental creature tokens. Whenever you cast a spell that has convoke, Joyful Stormsculptor deals 1 damage to each opponent and each battle they protect. | Christina Kraus