Strixhaven: School of Mages

Star Pupil | Creature | Human Wizard | Star Pupil enters the battlefield with a +1/+1 counter on it. When Star Pupil dies, put its counters on target creature you control. | Howard Lyon

Detention Vortex | Enchantment | Aura | Enchant nonland permanent Enchanted permanent can't attack or block, and its activated abilities can't be activated. {3}: Destroy Detention Vortex. Only your opponents may activate this ability and only as a sorcery. | Campbell White

Guiding Voice | Sorcery | | Put a +1/+1 counter on target creature. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.) | Steve Argyle

Stonebinder's Familiar | Creature | Spirit Dog | Whenever one or more cards are put into exile during your turn, put a +1/+1 counter on Stonebinder's Familiar. This ability triggers only once each turn. | Sam Rowan

Clever Lumimancer | Creature | Human Wizard | Magecraft — Whenever you cast or copy an instant or sorcery spell, Clever Lumimancer gets +2/+2 until end of turn. | Lie Setiawan

Make Your Mark | Instant | | Target creature gets +1/+0 until end of turn. When that creature dies this turn, create a 3/2 red and white Spirit creature token. | Bryan Sola