Core Set 2021

Brash Taunter | Creature | Goblin | Indestructible Whenever Brash Taunter is dealt damage, it deals that much damage to target opponent. {2}{R}, {T}: Brash Taunter fights another target creature. | Svetlin Velinov

Chandra, Heart of Fire | Legendary Planeswalker | Chandra | +1: Discard your hand, then exile the top three cards of your library. Until end of turn, you may play cards exiled this way. +1: Chandra, Heart of Fire deals 2 damage to any target. −9: Search your graveyard and library for any number of red instant and/or sorcery cards, exile them, then shuffle. You may cast them this turn. Add six {R}. | Josu Hernaiz

Double Vision | Enchantment | | Whenever you cast your first instant or sorcery spell each turn, copy that spell. You may choose new targets for the copy. | Heonhwa Choe

Havoc Jester | Creature | Devil | Whenever you sacrifice a permanent, Havoc Jester deals 1 damage to any target. | Jason A. Engle

Pitchburn Devils | Creature | Devil | When Pitchburn Devils dies, it deals 3 damage to any target. | Johann Bodin

Terror of the Peaks | Creature | Dragon | Flying Spells your opponents cast that target Terror of the Peaks cost an additional 3 life to cast. Whenever another creature enters the battlefield under your control, Terror of the Peaks deals damage equal to that creature's power to any target. | Andrey Kuzinskiy

Turn to Slag | Sorcery | | Turn to Slag deals 5 damage to target creature. Destroy all Equipment attached to that creature. | Zoltan Boros & Gabor Szikszai

Sanctum of All | Legendary Enchantment | Shrine | At the beginning of your upkeep, you may search your library and/or graveyard for a Shrine card and put it onto the battlefield. If you search your library this way, shuffle. If an ability of another Shrine you control triggers while you control six or more Shrines, that ability triggers an additional time. | Johannes Voss