Strixhaven: School of Mages

Dina, Soul Steeper | Legendary Creature | Dryad Druid | Whenever you gain life, each opponent loses 1 life. {1}, Sacrifice another creature: Dina, Soul Steeper gets +X/+0 until end of turn, where X is the sacrificed creature's power. | Chris Rahn

Daemogoth Woe-Eater | Creature | Demon | At the beginning of your upkeep, sacrifice a creature. When you sacrifice Daemogoth Woe-Eater, each opponent discards a card, you draw a card, and you gain 2 life. | Alex Brock

Mortality Spear | Instant | | This spell costs {2} less to cast if you gained life this turn. Destroy target nonland permanent. | PINDURSKI

Witherbloom Apprentice | Creature | Human Druid | Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 1 life and you gain 1 life. | Josh Hass

Tend the Pests | Instant | | As an additional cost to cast this spell, sacrifice a creature. Create X 1/1 black and green Pest creature tokens with "When this creature dies, you gain 1 life," where X is the sacrificed creature's power. | David Auden Nash

Deadly Brew | Sorcery | | Each player sacrifices a creature or planeswalker. If you sacrificed a permanent this way, you may return another permanent card from your graveyard to your hand. | Randy Vargas