Citadel Siege | Enchantment | | As Citadel Siege enters the battlefield, choose Khans or Dragons.
• Khans — At the beginning of combat on your turn, put two +1/+1 counters on target creature you control.
• Dragons — At the beginning of combat on each opponent's turn, tap target creature that player controls. | Steven Belledin
Daghatar the Adamant | Legendary Creature | Human Warrior | Vigilance
Daghatar the Adamant enters the battlefield with four +1/+1 counters on it.
{1}{B/G}{B/G}: Move a +1/+1 counter from target creature onto a second target creature. | Zack Stella
Dragonscale General | Creature | Human Warrior | At the beginning of your end step, bolster X, where X is the number of tapped creatures you control. (Choose a creature with the least toughness among creatures you control and put X +1/+1 counters on it.) | Volkan Baǵa
Mastery of the Unseen | Enchantment | | Whenever a permanent you control is turned face up, you gain 1 life for each creature you control.
{3}{W}: Manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) | Daniel Ljunggren
Rally the Ancestors | Instant | | Return each creature card with mana value X or less from your graveyard to the battlefield. Exile those creatures at the beginning of your next upkeep. Exile Rally the Ancestors. | Nils Hamm
Jeskai Infiltrator | Creature | Human Monk | Jeskai Infiltrator can't be blocked as long as you control no other creatures.
When Jeskai Infiltrator deals combat damage to a player, exile it and the top card of your library in a face-down pile, shuffle that pile, then manifest those cards. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) | Cynthia Sheppard
Monastery Siege | Enchantment | | As Monastery Siege enters the battlefield, choose Khans or Dragons.
• Khans — At the beginning of your draw step, draw an additional card, then discard a card.
• Dragons — Spells your opponents cast that target you or a permanent you control cost {2} more to cast. | Mark Winters
Sage-Eye Avengers | Creature | Djinn Monk | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever Sage-Eye Avengers attacks, you may return target creature to its owner's hand if its power is less than Sage-Eye Avengers's power. | Dan Scott
Shu Yun, the Silent Tempest | Legendary Creature | Human Monk | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast a noncreature spell, you may pay {R/W}{R/W}. If you do, target creature gains double strike until end of turn. | David Gaillet
Supplant Form | Instant | | Return target creature to its owner's hand. You create a token that's a copy of that creature. | Adam Paquette
Archfiend of Depravity | Creature | Demon | Flying
At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest. | Daarken
Crux of Fate | Sorcery | | Choose one —
• Destroy all Dragon creatures.
• Destroy all non-Dragon creatures. | Michael Komarck
Mardu Strike Leader | Creature | Human Warrior | Whenever Mardu Strike Leader attacks, create a 2/1 black Warrior creature token.
Dash {3}{B} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.) | Jason Rainville
Palace Siege | Enchantment | | As Palace Siege enters the battlefield, choose Khans or Dragons.
• Khans — At the beginning of your upkeep, return target creature card from your graveyard to your hand.
• Dragons — At the beginning of your upkeep, each opponent loses 2 life and you gain 2 life. | Slawomir Maniak
Soulflayer | Creature | Demon | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
If a creature card with flying was exiled with Soulflayer's delve ability, Soulflayer has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, reach, trample, and vigilance. | Seb McKinnon
Tasigur, the Golden Fang | Legendary Creature | Human Shaman | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
{2}{G/U}{G/U}: Mill two cards, then return a nonland card of an opponent's choice from your graveyard to your hand. | Chris Rahn
Alesha, Who Smiles at Death | Legendary Creature | Human Warrior | First strike
Whenever Alesha, Who Smiles at Death attacks, you may pay {W/B}{W/B}. If you do, return target creature card with power 2 or less from your graveyard to the battlefield tapped and attacking. | Anastasia Ovchinnikova
Arcbond | Instant | | Choose target creature. Whenever that creature is dealt damage this turn, it deals that much damage to each other creature and each player. | Slawomir Maniak
Flamerush Rider | Creature | Human Warrior | Whenever Flamerush Rider attacks, create a token that's a copy of another target attacking creature and that's tapped and attacking. Exile the token at end of combat.
Dash {2}{R}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.) | Min Yum
Flamewake Phoenix | Creature | Phoenix | Flying, haste
Flamewake Phoenix attacks each combat if able.
Ferocious — At the beginning of combat on your turn, if you control a creature with power 4 or greater, you may pay {R}. If you do, return Flamewake Phoenix from your graveyard to the battlefield. | Min Yum
Mob Rule | Sorcery | | Choose one —
• Gain control of all creatures with power 4 or greater until end of turn. Untap those creatures. They gain haste until end of turn.
• Gain control of all creatures with power 3 or less until end of turn. Untap those creatures. They gain haste until end of turn. | Jakub Kasper
Outpost Siege | Enchantment | | As Outpost Siege enters the battlefield, choose Khans or Dragons.
• Khans — At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card.
• Dragons — Whenever a creature you control leaves the battlefield, Outpost Siege deals 1 damage to any target. | Daarken
Frontier Siege | Enchantment | | As Frontier Siege enters the battlefield, choose Khans or Dragons.
• Khans — At the beginning of each of your main phases, add {G}{G}.
• Dragons — Whenever a creature with flying enters the battlefield under your control, you may have it fight target creature you don't control. | James Ryman
Sandsteppe Mastodon | Creature | Elephant | Reach
When Sandsteppe Mastodon enters the battlefield, bolster 5. (Choose a creature with the least toughness among creatures you control and put five +1/+1 counters on it.) | James Zapata
Shamanic Revelation | Sorcery | | Draw a card for each creature you control.
Ferocious — You gain 4 life for each creature you control with power 4 or greater. | Cynthia Sheppard
Temur War Shaman | Creature | Human Shaman | When Temur War Shaman enters the battlefield, manifest the top card of your library. (Put that card onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
Whenever a permanent you control is turned face up, if it's a creature, you may have it fight target creature you don't control. | Nils Hamm
Wildcall | Sorcery | | Manifest the top card of your library, then put X +1/+1 counters on it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) | Adam Paquette
Yasova Dragonclaw | Legendary Creature | Human Warrior | Trample
At the beginning of combat on your turn, you may pay {1}{U/R}{U/R}. If you do, gain control of target creature an opponent controls with power less than Yasova Dragonclaw's power until end of turn, untap that creature, and it gains haste until end of turn. | Winona Nelson
Ojutai, Soul of Winter | Legendary Creature | Dragon | Flying, vigilance
Whenever a Dragon you control attacks, tap target nonland permanent an opponent controls. That permanent doesn't untap during its controller's next untap step. | Chase Stone
Dromoka, the Eternal | Legendary Creature | Dragon | Flying
Whenever a Dragon you control attacks, bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.) | Eric Deschamps
Silumgar, the Drifting Death | Legendary Creature | Dragon | Flying, hexproof
Whenever a Dragon you control attacks, creatures defending player controls get -1/-1 until end of turn. | Steven Belledin
Kolaghan, the Storm's Fury | Legendary Creature | Dragon | Flying
Whenever a Dragon you control attacks, creatures you control get +1/+0 until end of turn.
Dash {3}{B}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.) | Jaime Jones
Atarka, World Render | Legendary Creature | Dragon | Flying, trample
Whenever a Dragon you control attacks, it gains double strike until end of turn. | Karl Kopinski
Scroll of the Masters | Artifact | | Whenever you cast a noncreature spell, put a lore counter on Scroll of the Masters.
{3}, {T}: Target creature you control gets +1/+1 until end of turn for each lore counter on Scroll of the Masters. | Lake Hurwitz
Crucible of the Spirit Dragon | Land | | {T}: Add {C}.
{1}, {T}: Put a storage counter on Crucible of the Spirit Dragon.
{T}, Remove X storage counters from Crucible of the Spirit Dragon: Add X mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons. | Jung Park