
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

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

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