Core Set 2021

Niambi, Esteemed Speaker | Legendary Creature | Human Cleric | Flash When Niambi, Esteemed Speaker enters the battlefield, you may return another target creature you control to its owner's hand. If you do, you gain life equal to that creature's mana value. {1}{W}{U}, {T}, Discard a legendary card: Draw two cards. | Eric Deschamps

Watcher of the Spheres | Creature | Bird Wizard | Flying Creature spells with flying you cast cost {1} less to cast. Whenever another creature with flying enters the battlefield under your control, Watcher of the Spheres gets +1/+1 until end of turn. | G-host Lee

Obsessive Stitcher | Creature | Human Wizard | {T}: Draw a card, then discard a card. {2}{U}{B}, {T}, Sacrifice Obsessive Stitcher: Return target creature card from your graveyard to the battlefield. | Joe Slucher

Lorescale Coatl | Creature | Snake | Whenever you draw a card, put a +1/+1 counter on Lorescale Coatl. | Greg Staples