
Chilling Grasp | Instant | | Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.
Madness {3}{U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) | Seb McKinnon

Coax from the Blind Eternities | Sorcery | | You may reveal an Eldrazi card you own from outside the game or choose a face-up Eldrazi card you own in exile. Put that card into your hand. | Jaime Jones

Convolute | Instant | | Counter target spell unless its controller pays {4}. | Viktor Titov

Displace | Instant | | Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control. | Clint Cearley

Drag Under | Sorcery | | Return target creature to its owner's hand.
Draw a card. | Tianhua X

Exultant Cultist | Creature | Human Wizard | When Exultant Cultist dies, draw a card. | Joseph Meehan

Geist of the Archives | Creature | Spirit | Defender
At the beginning of your upkeep, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Lake Hurwitz

Grizzled Angler | Creature | Human | {T}: Mill two cards. Then if there is a colorless creature card in your graveyard, transform Grizzled Angler. | Kev Walker

Imprisoned in the Moon | Enchantment | Aura | Enchant creature, land, or planeswalker
Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities. | Ryan Alexander Lee

Ingenious Skaab | Creature | Zombie Horror | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
{U}: Ingenious Skaab gets +1/-1 until end of turn. | Jesper Ejsing

Lunar Force | Enchantment | | When an opponent casts a spell, sacrifice Lunar Force and counter that spell. | Eric Deschamps

Nebelgast Herald | Creature | Spirit | Flash (You may cast this spell any time you could cast an instant.)
Flying
Whenever Nebelgast Herald or another Spirit enters the battlefield under your control, tap target creature an opponent controls. | Zezhou Chen

Spell Queller | Creature | Spirit | Flash
Flying
When Spell Queller enters the battlefield, exile target spell with mana value 4 or less.
When Spell Queller leaves the battlefield, the exiled card's owner may cast that card without paying its mana cost. | Adam Paquette