Strixhaven: School of Mages

Ecological Appreciation | Sorcery | | Search your library and graveyard for up to four creature cards with different names that each have mana value X or less and reveal them. An opponent chooses two of those cards. Shuffle the chosen cards into your library and put the rest onto the battlefield. Exile Ecological Appreciation. | Lie Setiawan

Blex, Vexing Pest | Legendary Creature | Pest | Other Pests, Bats, Insects, Snakes, and Spiders you control get +1/+1. When Blex, Vexing Pest dies, you gain 4 life. | Ekaterina Burmak

Kasmina, Enigma Sage | Legendary Planeswalker | Kasmina | Each other planeswalker you control has the loyalty abilities of Kasmina, Enigma Sage. +2: Scry 1. −X: Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it. −8: Search your library for an instant or sorcery card that shares a color with this planeswalker, exile that card, then shuffle. You may cast that card without paying its mana cost. | Tyler Jacobson

Tanazir Quandrix | Legendary Creature | Elder Dragon | Flying, trample When Tanazir Quandrix enters the battlefield, double the number of +1/+1 counters on target creature you control. Whenever Tanazir Quandrix attacks, you may have the base power and toughness of other creatures you control become equal to Tanazir Quandrix's power and toughness until end of turn. | Raymond Swanland

Body of Research | Sorcery | | Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of cards in your library. | Antonio José Manzanedo

Beledros Witherbloom | Legendary Creature | Elder Dragon | Flying At the beginning of each upkeep, create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life." Pay 10 life: Untap all lands you control. Activate only once each turn. | Raymond Swanland

Harness Infinity | Instant | | Exchange your hand and graveyard. Exile Harness Infinity. | Seb McKinnon