
Smog Elemental | Creature | Elemental | Flying
Creatures with flying your opponents control get -1/-1. | Yeong-Hao Han

Undercity Plague | Sorcery | | Target player loses 1 life, discards a card, then sacrifices a permanent.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.) | Vincent Proce

Deathpact Angel | Creature | Angel | Flying
When Deathpact Angel dies, create a 1/1 white and black Cleric creature token. It has "{3}{W}{B}{B}, {T}, Sacrifice this creature: Return a card named Deathpact Angel from your graveyard to the battlefield." | Jason Chan

Merciless Eviction | Sorcery | | Choose one —
• Exile all artifacts.
• Exile all creatures.
• Exile all enchantments.
• Exile all planeswalkers. | Richard Wright

Treasury Thrull | Creature | Thrull | Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
Whenever Treasury Thrull attacks, you may return target artifact, creature, or enchantment card from your graveyard to your hand. | Mark Zug

Dinrova Horror | Creature | Horror | When Dinrova Horror enters the battlefield, return target permanent to its owner's hand, then that player discards a card. | Johann Bodin