
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

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

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

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

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

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