War of the Spark

Firemind Vessel | Artifact | | Firemind Vessel enters the battlefield tapped. {T}: Add two mana of different colors. | Ravenna Tran

God-Pharaoh's Statue | Legendary Artifact | | Spells your opponents cast cost {2} more to cast. At the beginning of your end step, each opponent loses 1 life. | Igor Kieryluk

Guild Globe | Artifact | | When Guild Globe enters the battlefield, draw a card. {2}, {T}, Sacrifice Guild Globe: Add two mana of different colors. | Daniel Ljunggren

Iron Bully | Artifact Creature | Golem | Menace (This creature can't be blocked except by two or more creatures.) When Iron Bully enters the battlefield, put a +1/+1 counter on target creature. | Aaron Miller

Mana Geode | Artifact | | When Mana Geode enters the battlefield, scry 1. {T}: Add one mana of any color. | Raoul Vitale

Prismite | Artifact Creature | Golem | {2}: Add one mana of any color. | Alayna Danner

Saheeli's Silverwing | Artifact Creature | Drake | Flying When Saheeli's Silverwing enters the battlefield, look at the top card of target opponent's library. | Daniel Ljunggren

Karn, the Great Creator | Legendary Planeswalker | Karn | Activated abilities of artifacts your opponents control can't be activated. +1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. −2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand. | Wisnu Tan

Ugin, the Ineffable | Legendary Planeswalker | Ugin | Colorless spells you cast cost {2} less to cast. +1: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand. −3: Destroy target permanent that's one or more colors. | Daarken

Ugin's Conjurant | Creature | Spirit Monk | Ugin's Conjurant enters the battlefield with X +1/+1 counters on it. If damage would be dealt to Ugin's Conjurant while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from Ugin's Conjurant. | Ryan Yee