Theros Beyond Death

Blood Aspirant | Creature | Satyr Berserker | Whenever you sacrifice a permanent, put a +1/+1 counter on Blood Aspirant. {1}{R}, {T}, Sacrifice a creature or enchantment: Blood Aspirant deals 1 damage to target creature. That creature can't block this turn. | Tyler Walpole

Careless Celebrant | Creature | Satyr Shaman | When Careless Celebrant dies, it deals 2 damage to target creature or planeswalker an opponent controls. | Mathias Kollros

Underworld Fires | Sorcery | | Underworld Fires deals 1 damage to each creature and each planeswalker. If a permanent dealt damage this way would die this turn, exile it instead. | Bayard Wu

Mischievous Chimera | Enchantment Creature | Chimera | Flying Whenever you cast your first spell during each opponent's turn, Mischievous Chimera deals 1 damage to each opponent. Scry 1. | Antonio José Manzanedo

Slaughter-Priest of Mogis | Creature | Minotaur Shaman | Whenever you sacrifice a permanent, Slaughter-Priest of Mogis gets +2/+0 until end of turn. {2}, Sacrifice another creature or an enchantment: Slaughter-Priest of Mogis gains first strike until end of turn. | Steve Prescott